I need help with questions 19-23

Use the figure below to answer the following questions. 4 ft 9 ft (19) Write the ratio of the dimensions of the cylinder in the form of diameter to height. Ratio: (20) Give the dimensions of a cylinder that would be proportional to the one above. Height: Diameter: (21) Determine which two rectangles described in the table below are proportional. Length Width Rectangle 1 4 Rectangle 2 5 8 Rectangle 3 | Rectangle 4 13.2 16.5 Nutritionists help people plan diets to improve their health. Some diets are based on a ratio of different types of nutrients. The ratio depends on the goal of the diet. One diet uses a ratio of 4 :13 : 8 for carbohydrates, protein, and fat. A diet is being developed that provides 550 calories from protein per day. Find the number of calories that should come from carbohydrates and fat. (22) Calories from Carbohydrates: (23) calories from Fat