Home / 17,273.60-25,862.88-13,101.28

Finding the Fourth Proportional to 17,273.60, 25,862.88 and 13,101.28

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Solution

The fourth proportional to 17,273.60, 25,862.88 and 13,101.28 is: 19,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.60 : 25,862.88 = 13,101.28 : x
  2. Step 2: Convert to fraction form
    17,273.60/25,862.88 = 13,101.28/x
  3. Step 3: Cross multiply
    17,273.60x = 25,862.88 × 13,101.28
  4. Step 4: Simplify right side
    17,273.60x = 338,836,832.49
  5. Step 5: Solve for x
    x = 338,836,832.49/17,273.60
  6. Step 6: Final answer
    x = 19,615.88

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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.