Home / 25,748.60-38,613.17-11,887.88

Finding the Fourth Proportional to 25,748.60, 38,613.17 and 11,887.88

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Solution

The fourth proportional to 25,748.60, 38,613.17 and 11,887.88 is: 17,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.60 : 38,613.17 = 11,887.88 : x
  2. Step 2: Convert to fraction form
    25,748.60/38,613.17 = 11,887.88/x
  3. Step 3: Cross multiply
    25,748.60x = 38,613.17 × 11,887.88
  4. Step 4: Simplify right side
    25,748.60x = 459,028,568.03
  5. Step 5: Solve for x
    x = 459,028,568.03/25,748.60
  6. Step 6: Final answer
    x = 17,827.32

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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.