Home / 15,442.68-23,163.85-3,755.91

Finding the Fourth Proportional to 15,442.68, 23,163.85 and 3,755.91

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Solution

The fourth proportional to 15,442.68, 23,163.85 and 3,755.91 is: 5,633.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.68 : 23,163.85 = 3,755.91 : x
  2. Step 2: Convert to fraction form
    15,442.68/23,163.85 = 3,755.91/x
  3. Step 3: Cross multiply
    15,442.68x = 23,163.85 × 3,755.91
  4. Step 4: Simplify right side
    15,442.68x = 87,001,335.85
  5. Step 5: Solve for x
    x = 87,001,335.85/15,442.68
  6. Step 6: Final answer
    x = 5,633.82

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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.