Home / 16,507.38-22,757.40-15,990.42

Finding the Fourth Proportional to 16,507.38, 22,757.40 and 15,990.42

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Solution

The fourth proportional to 16,507.38, 22,757.40 and 15,990.42 is: 22,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507.38 : 22,757.40 = 15,990.42 : x
  2. Step 2: Convert to fraction form
    16,507.38/22,757.40 = 15,990.42/x
  3. Step 3: Cross multiply
    16,507.38x = 22,757.40 × 15,990.42
  4. Step 4: Simplify right side
    16,507.38x = 363,900,384.11
  5. Step 5: Solve for x
    x = 363,900,384.11/16,507.38
  6. Step 6: Final answer
    x = 22,044.71

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Half scale
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Double scale
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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.