Home / 16,375.20-24,562.80-15,403.20

Finding the Fourth Proportional to 16,375.20, 24,562.80 and 15,403.20

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Solution

The fourth proportional to 16,375.20, 24,562.80 and 15,403.20 is: 23,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.20 : 24,562.80 = 15,403.20 : x
  2. Step 2: Convert to fraction form
    16,375.20/24,562.80 = 15,403.20/x
  3. Step 3: Cross multiply
    16,375.20x = 24,562.80 × 15,403.20
  4. Step 4: Simplify right side
    16,375.20x = 378,345,720.96
  5. Step 5: Solve for x
    x = 378,345,720.96/16,375.20
  6. Step 6: Final answer
    x = 23,104.80

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1.5x scale

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.