Home / 25,388.28-38,071.90-9,590.61

Finding the Fourth Proportional to 25,388.28, 38,071.90 and 9,590.61

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Solution

The fourth proportional to 25,388.28, 38,071.90 and 9,590.61 is: 14,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.28 : 38,071.90 = 9,590.61 : x
  2. Step 2: Convert to fraction form
    25,388.28/38,071.90 = 9,590.61/x
  3. Step 3: Cross multiply
    25,388.28x = 38,071.90 × 9,590.61
  4. Step 4: Simplify right side
    25,388.28x = 365,132,720.88
  5. Step 5: Solve for x
    x = 365,132,720.88/25,388.28
  6. Step 6: Final answer
    x = 14,381.94

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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.