Home / 17,176.92-25,778.49-7,692.15

Finding the Fourth Proportional to 17,176.92, 25,778.49 and 7,692.15

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Solution

The fourth proportional to 17,176.92, 25,778.49 and 7,692.15 is: 11,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.92 : 25,778.49 = 7,692.15 : x
  2. Step 2: Convert to fraction form
    17,176.92/25,778.49 = 7,692.15/x
  3. Step 3: Cross multiply
    17,176.92x = 25,778.49 × 7,692.15
  4. Step 4: Simplify right side
    17,176.92x = 198,292,079.68
  5. Step 5: Solve for x
    x = 198,292,079.68/17,176.92
  6. Step 6: Final answer
    x = 11,544.10

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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.