Home / 16,764.80-25,147.20-16,649.60

Finding the Fourth Proportional to 16,764.80, 25,147.20 and 16,649.60

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Solution

The fourth proportional to 16,764.80, 25,147.20 and 16,649.60 is: 24,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.80 : 25,147.20 = 16,649.60 : x
  2. Step 2: Convert to fraction form
    16,764.80/25,147.20 = 16,649.60/x
  3. Step 3: Cross multiply
    16,764.80x = 25,147.20 × 16,649.60
  4. Step 4: Simplify right side
    16,764.80x = 418,690,821.12
  5. Step 5: Solve for x
    x = 418,690,821.12/16,764.80
  6. Step 6: Final answer
    x = 24,974.40

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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.