Home / 15,351.18-23,026.76-5,489.86

Finding the Fourth Proportional to 15,351.18, 23,026.76 and 5,489.86

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Solution

The fourth proportional to 15,351.18, 23,026.76 and 5,489.86 is: 8,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.18 : 23,026.76 = 5,489.86 : x
  2. Step 2: Convert to fraction form
    15,351.18/23,026.76 = 5,489.86/x
  3. Step 3: Cross multiply
    15,351.18x = 23,026.76 × 5,489.86
  4. Step 4: Simplify right side
    15,351.18x = 126,413,587.24
  5. Step 5: Solve for x
    x = 126,413,587.24/15,351.18
  6. Step 6: Final answer
    x = 8,234.78

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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.