Home / 16,882.56-25,318.44-8,111.88

Finding the Fourth Proportional to 16,882.56, 25,318.44 and 8,111.88

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Solution

The fourth proportional to 16,882.56, 25,318.44 and 8,111.88 is: 12,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882.56 : 25,318.44 = 8,111.88 : x
  2. Step 2: Convert to fraction form
    16,882.56/25,318.44 = 8,111.88/x
  3. Step 3: Cross multiply
    16,882.56x = 25,318.44 × 8,111.88
  4. Step 4: Simplify right side
    16,882.56x = 205,380,147.07
  5. Step 5: Solve for x
    x = 205,380,147.07/16,882.56
  6. Step 6: Final answer
    x = 12,165.23

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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.