Home / 15,037.17-20,755.80-9,732.36

Finding the Fourth Proportional to 15,037.17, 20,755.80 and 9,732.36

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Solution

The fourth proportional to 15,037.17, 20,755.80 and 9,732.36 is: 13,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.17 : 20,755.80 = 9,732.36 : x
  2. Step 2: Convert to fraction form
    15,037.17/20,755.80 = 9,732.36/x
  3. Step 3: Cross multiply
    15,037.17x = 20,755.80 × 9,732.36
  4. Step 4: Simplify right side
    15,037.17x = 202,002,917.69
  5. Step 5: Solve for x
    x = 202,002,917.69/15,037.17
  6. Step 6: Final answer
    x = 13,433.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.