Home / 17,128.89-25,691.51-4,650.23

Finding the Fourth Proportional to 17,128.89, 25,691.51 and 4,650.23

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Solution

The fourth proportional to 17,128.89, 25,691.51 and 4,650.23 is: 6,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.89 : 25,691.51 = 4,650.23 : x
  2. Step 2: Convert to fraction form
    17,128.89/25,691.51 = 4,650.23/x
  3. Step 3: Cross multiply
    17,128.89x = 25,691.51 × 4,650.23
  4. Step 4: Simplify right side
    17,128.89x = 119,471,506.40
  5. Step 5: Solve for x
    x = 119,471,506.40/17,128.89
  6. Step 6: Final answer
    x = 6,974.85

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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.