Home / 38,753.14-58,109.49-13,789.55

Finding the Fourth Proportional to 38,753.14, 58,109.49 and 13,789.55

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Solution

The fourth proportional to 38,753.14, 58,109.49 and 13,789.55 is: 20,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,753.14 : 58,109.49 = 13,789.55 : x
  2. Step 2: Convert to fraction form
    38,753.14/58,109.49 = 13,789.55/x
  3. Step 3: Cross multiply
    38,753.14x = 58,109.49 × 13,789.55
  4. Step 4: Simplify right side
    38,753.14x = 801,303,717.83
  5. Step 5: Solve for x
    x = 801,303,717.83/38,753.14
  6. Step 6: Final answer
    x = 20,677.13

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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.