Home / 25,580.16-38,375.42-8,045.90

Finding the Fourth Proportional to 25,580.16, 38,375.42 and 8,045.90

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Solution

The fourth proportional to 25,580.16, 38,375.42 and 8,045.90 is: 12,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.16 : 38,375.42 = 8,045.90 : x
  2. Step 2: Convert to fraction form
    25,580.16/38,375.42 = 8,045.90/x
  3. Step 3: Cross multiply
    25,580.16x = 38,375.42 × 8,045.90
  4. Step 4: Simplify right side
    25,580.16x = 308,764,791.78
  5. Step 5: Solve for x
    x = 308,764,791.78/25,580.16
  6. Step 6: Final answer
    x = 12,070.48

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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.