Home / 38,086.20-57,134.61-15,894.50

Finding the Fourth Proportional to 38,086.20, 57,134.61 and 15,894.50

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Solution

The fourth proportional to 38,086.20, 57,134.61 and 15,894.50 is: 23,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.20 : 57,134.61 = 15,894.50 : x
  2. Step 2: Convert to fraction form
    38,086.20/57,134.61 = 15,894.50/x
  3. Step 3: Cross multiply
    38,086.20x = 57,134.61 × 15,894.50
  4. Step 4: Simplify right side
    38,086.20x = 908,125,772.97
  5. Step 5: Solve for x
    x = 908,125,772.97/38,086.20
  6. Step 6: Final answer
    x = 23,843.96

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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.