Home / 22,972.38-31,721.82-14,489.66

Finding the Fourth Proportional to 22,972.38, 31,721.82 and 14,489.66

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Solution

The fourth proportional to 22,972.38, 31,721.82 and 14,489.66 is: 20,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972.38 : 31,721.82 = 14,489.66 : x
  2. Step 2: Convert to fraction form
    22,972.38/31,721.82 = 14,489.66/x
  3. Step 3: Cross multiply
    22,972.38x = 31,721.82 × 14,489.66
  4. Step 4: Simplify right side
    22,972.38x = 459,638,227.77
  5. Step 5: Solve for x
    x = 459,638,227.77/22,972.38
  6. Step 6: Final answer
    x = 20,008.30

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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.