Home / 25,375.20-38,054.40-8,732.40

Finding the Fourth Proportional to 25,375.20, 38,054.40 and 8,732.40

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Solution

The fourth proportional to 25,375.20, 38,054.40 and 8,732.40 is: 13,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.20 : 38,054.40 = 8,732.40 : x
  2. Step 2: Convert to fraction form
    25,375.20/38,054.40 = 8,732.40/x
  3. Step 3: Cross multiply
    25,375.20x = 38,054.40 × 8,732.40
  4. Step 4: Simplify right side
    25,375.20x = 332,306,242.56
  5. Step 5: Solve for x
    x = 332,306,242.56/25,375.20
  6. Step 6: Final answer
    x = 13,095.71

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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.