Home / 22,691.55-34,037.33-13,931.40

Finding the Fourth Proportional to 22,691.55, 34,037.33 and 13,931.40

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Solution

The fourth proportional to 22,691.55, 34,037.33 and 13,931.40 is: 20,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.55 : 34,037.33 = 13,931.40 : x
  2. Step 2: Convert to fraction form
    22,691.55/34,037.33 = 13,931.40/x
  3. Step 3: Cross multiply
    22,691.55x = 34,037.33 × 13,931.40
  4. Step 4: Simplify right side
    22,691.55x = 474,187,589.51
  5. Step 5: Solve for x
    x = 474,187,589.51/22,691.55
  6. Step 6: Final answer
    x = 20,897.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.