Home / 16,132.80-24,200.40-5,743.20

Finding the Fourth Proportional to 16,132.80, 24,200.40 and 5,743.20

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Solution

The fourth proportional to 16,132.80, 24,200.40 and 5,743.20 is: 8,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,132.80 : 24,200.40 = 5,743.20 : x
  2. Step 2: Convert to fraction form
    16,132.80/24,200.40 = 5,743.20/x
  3. Step 3: Cross multiply
    16,132.80x = 24,200.40 × 5,743.20
  4. Step 4: Simplify right side
    16,132.80x = 138,987,737.28
  5. Step 5: Solve for x
    x = 138,987,737.28/16,132.80
  6. Step 6: Final answer
    x = 8,615.23

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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.