Home / 38,127.40-57,201.90-11,834.80

Finding the Fourth Proportional to 38,127.40, 57,201.90 and 11,834.80

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Solution

The fourth proportional to 38,127.40, 57,201.90 and 11,834.80 is: 17,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.40 : 57,201.90 = 11,834.80 : x
  2. Step 2: Convert to fraction form
    38,127.40/57,201.90 = 11,834.80/x
  3. Step 3: Cross multiply
    38,127.40x = 57,201.90 × 11,834.80
  4. Step 4: Simplify right side
    38,127.40x = 676,973,046.12
  5. Step 5: Solve for x
    x = 676,973,046.12/38,127.40
  6. Step 6: Final answer
    x = 17,755.55

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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.