Home / 15,480.79-23,221.18-3,793.91

Finding the Fourth Proportional to 15,480.79, 23,221.18 and 3,793.91

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Solution

The fourth proportional to 15,480.79, 23,221.18 and 3,793.91 is: 5,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.79 : 23,221.18 = 3,793.91 : x
  2. Step 2: Convert to fraction form
    15,480.79/23,221.18 = 3,793.91/x
  3. Step 3: Cross multiply
    15,480.79x = 23,221.18 × 3,793.91
  4. Step 4: Simplify right side
    15,480.79x = 88,099,067.01
  5. Step 5: Solve for x
    x = 88,099,067.01/15,480.79
  6. Step 6: Final answer
    x = 5,690.86

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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.