Home / 16,937.64-25,372.35-8,145.90

Finding the Fourth Proportional to 16,937.64, 25,372.35 and 8,145.90

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Solution

The fourth proportional to 16,937.64, 25,372.35 and 8,145.90 is: 12,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,937.64 : 25,372.35 = 8,145.90 : x
  2. Step 2: Convert to fraction form
    16,937.64/25,372.35 = 8,145.90/x
  3. Step 3: Cross multiply
    16,937.64x = 25,372.35 × 8,145.90
  4. Step 4: Simplify right side
    16,937.64x = 206,680,625.87
  5. Step 5: Solve for x
    x = 206,680,625.87/16,937.64
  6. Step 6: Final answer
    x = 12,202.45

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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.