Home / 16,834.72-25,249.65-5,144.80

Finding the Fourth Proportional to 16,834.72, 25,249.65 and 5,144.80

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Solution

The fourth proportional to 16,834.72, 25,249.65 and 5,144.80 is: 7,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,834.72 : 25,249.65 = 5,144.80 : x
  2. Step 2: Convert to fraction form
    16,834.72/25,249.65 = 5,144.80/x
  3. Step 3: Cross multiply
    16,834.72x = 25,249.65 × 5,144.80
  4. Step 4: Simplify right side
    16,834.72x = 129,904,316.90
  5. Step 5: Solve for x
    x = 129,904,316.90/16,834.72
  6. Step 6: Final answer
    x = 7,716.45

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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.