Home / 25,697.92-38,517.52-11,668.64

Finding the Fourth Proportional to 25,697.92, 38,517.52 and 11,668.64

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Solution

The fourth proportional to 25,697.92, 38,517.52 and 11,668.64 is: 17,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,697.92 : 38,517.52 = 11,668.64 : x
  2. Step 2: Convert to fraction form
    25,697.92/38,517.52 = 11,668.64/x
  3. Step 3: Cross multiply
    25,697.92x = 38,517.52 × 11,668.64
  4. Step 4: Simplify right side
    25,697.92x = 449,447,074.57
  5. Step 5: Solve for x
    x = 449,447,074.57/25,697.92
  6. Step 6: Final answer
    x = 17,489.63

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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.