Home / 25,388.24-38,140.76-18,010.96

Finding the Fourth Proportional to 25,388.24, 38,140.76 and 18,010.96

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Solution

The fourth proportional to 25,388.24, 38,140.76 and 18,010.96 is: 27,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.24 : 38,140.76 = 18,010.96 : x
  2. Step 2: Convert to fraction form
    25,388.24/38,140.76 = 18,010.96/x
  3. Step 3: Cross multiply
    25,388.24x = 38,140.76 × 18,010.96
  4. Step 4: Simplify right side
    25,388.24x = 686,951,702.73
  5. Step 5: Solve for x
    x = 686,951,702.73/25,388.24
  6. Step 6: Final answer
    x = 27,057.87

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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.