Home / 38,593.76-57,896.11-12,289.62

Finding the Fourth Proportional to 38,593.76, 57,896.11 and 12,289.62

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Solution

The fourth proportional to 38,593.76, 57,896.11 and 12,289.62 is: 18,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,593.76 : 57,896.11 = 12,289.62 : x
  2. Step 2: Convert to fraction form
    38,593.76/57,896.11 = 12,289.62/x
  3. Step 3: Cross multiply
    38,593.76x = 57,896.11 × 12,289.62
  4. Step 4: Simplify right side
    38,593.76x = 711,521,191.38
  5. Step 5: Solve for x
    x = 711,521,191.38/38,593.76
  6. Step 6: Final answer
    x = 18,436.17

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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.