Home / 25,608.39-38,429.85-8,968.57

Finding the Fourth Proportional to 25,608.39, 38,429.85 and 8,968.57

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Solution

The fourth proportional to 25,608.39, 38,429.85 and 8,968.57 is: 13,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.39 : 38,429.85 = 8,968.57 : x
  2. Step 2: Convert to fraction form
    25,608.39/38,429.85 = 8,968.57/x
  3. Step 3: Cross multiply
    25,608.39x = 38,429.85 × 8,968.57
  4. Step 4: Simplify right side
    25,608.39x = 344,660,754.97
  5. Step 5: Solve for x
    x = 344,660,754.97/25,608.39
  6. Step 6: Final answer
    x = 13,458.90

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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.