Home / 16,917.75-25,379.05-5,231.88

Finding the Fourth Proportional to 16,917.75, 25,379.05 and 5,231.88

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Solution

The fourth proportional to 16,917.75, 25,379.05 and 5,231.88 is: 7,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.75 : 25,379.05 = 5,231.88 : x
  2. Step 2: Convert to fraction form
    16,917.75/25,379.05 = 5,231.88/x
  3. Step 3: Cross multiply
    16,917.75x = 25,379.05 × 5,231.88
  4. Step 4: Simplify right side
    16,917.75x = 132,780,144.11
  5. Step 5: Solve for x
    x = 132,780,144.11/16,917.75
  6. Step 6: Final answer
    x = 7,848.57

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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.