Home / 25,765.46-38,584.82-12,575.30

Finding the Fourth Proportional to 25,765.46, 38,584.82 and 12,575.30

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Solution

The fourth proportional to 25,765.46, 38,584.82 and 12,575.30 is: 18,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.46 : 38,584.82 = 12,575.30 : x
  2. Step 2: Convert to fraction form
    25,765.46/38,584.82 = 12,575.30/x
  3. Step 3: Cross multiply
    25,765.46x = 38,584.82 × 12,575.30
  4. Step 4: Simplify right side
    25,765.46x = 485,215,686.95
  5. Step 5: Solve for x
    x = 485,215,686.95/25,765.46
  6. Step 6: Final answer
    x = 18,832.02

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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.