Home / 25,761.22-38,647.83-8,229.70

Finding the Fourth Proportional to 25,761.22, 38,647.83 and 8,229.70

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Solution

The fourth proportional to 25,761.22, 38,647.83 and 8,229.70 is: 12,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.22 : 38,647.83 = 8,229.70 : x
  2. Step 2: Convert to fraction form
    25,761.22/38,647.83 = 8,229.70/x
  3. Step 3: Cross multiply
    25,761.22x = 38,647.83 × 8,229.70
  4. Step 4: Simplify right side
    25,761.22x = 318,060,046.55
  5. Step 5: Solve for x
    x = 318,060,046.55/25,761.22
  6. Step 6: Final answer
    x = 12,346.47

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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.