Home / 38,899.17-58,354.91-13,938.66

Finding the Fourth Proportional to 38,899.17, 58,354.91 and 13,938.66

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Solution

The fourth proportional to 38,899.17, 58,354.91 and 13,938.66 is: 20,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.17 : 58,354.91 = 13,938.66 : x
  2. Step 2: Convert to fraction form
    38,899.17/58,354.91 = 13,938.66/x
  3. Step 3: Cross multiply
    38,899.17x = 58,354.91 × 13,938.66
  4. Step 4: Simplify right side
    38,899.17x = 813,389,180.13
  5. Step 5: Solve for x
    x = 813,389,180.13/38,899.17
  6. Step 6: Final answer
    x = 20,910.20

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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.