Home / 16,937.62-25,408.89-5,251.78

Finding the Fourth Proportional to 16,937.62, 25,408.89 and 5,251.78

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Solution

The fourth proportional to 16,937.62, 25,408.89 and 5,251.78 is: 7,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,937.62 : 25,408.89 = 5,251.78 : x
  2. Step 2: Convert to fraction form
    16,937.62/25,408.89 = 5,251.78/x
  3. Step 3: Cross multiply
    16,937.62x = 25,408.89 × 5,251.78
  4. Step 4: Simplify right side
    16,937.62x = 133,441,900.32
  5. Step 5: Solve for x
    x = 133,441,900.32/16,937.62
  6. Step 6: Final answer
    x = 7,878.43

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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.