Home / 17,195.60-25,851.72-13,729.88

Finding the Fourth Proportional to 17,195.60, 25,851.72 and 13,729.88

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Solution

The fourth proportional to 17,195.60, 25,851.72 and 13,729.88 is: 20,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.60 : 25,851.72 = 13,729.88 : x
  2. Step 2: Convert to fraction form
    17,195.60/25,851.72 = 13,729.88/x
  3. Step 3: Cross multiply
    17,195.60x = 25,851.72 × 13,729.88
  4. Step 4: Simplify right side
    17,195.60x = 354,941,013.39
  5. Step 5: Solve for x
    x = 354,941,013.39/17,195.60
  6. Step 6: Final answer
    x = 20,641.39

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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.