Home / 17,129.27-25,675.04-11,203.72

Finding the Fourth Proportional to 17,129.27, 25,675.04 and 11,203.72

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Solution

The fourth proportional to 17,129.27, 25,675.04 and 11,203.72 is: 16,793.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.27 : 25,675.04 = 11,203.72 : x
  2. Step 2: Convert to fraction form
    17,129.27/25,675.04 = 11,203.72/x
  3. Step 3: Cross multiply
    17,129.27x = 25,675.04 × 11,203.72
  4. Step 4: Simplify right side
    17,129.27x = 287,655,922.97
  5. Step 5: Solve for x
    x = 287,655,922.97/17,129.27
  6. Step 6: Final answer
    x = 16,793.24

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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.