Home / 25,456.56-38,170.26-9,855.96

Finding the Fourth Proportional to 25,456.56, 38,170.26 and 9,855.96

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Solution

The fourth proportional to 25,456.56, 38,170.26 and 9,855.96 is: 14,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.56 : 38,170.26 = 9,855.96 : x
  2. Step 2: Convert to fraction form
    25,456.56/38,170.26 = 9,855.96/x
  3. Step 3: Cross multiply
    25,456.56x = 38,170.26 × 9,855.96
  4. Step 4: Simplify right side
    25,456.56x = 376,204,555.75
  5. Step 5: Solve for x
    x = 376,204,555.75/25,456.56
  6. Step 6: Final answer
    x = 14,778.30

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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.