Home / 16,767.92-25,143.78-5,078.54

Finding the Fourth Proportional to 16,767.92, 25,143.78 and 5,078.54

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Solution

The fourth proportional to 16,767.92, 25,143.78 and 5,078.54 is: 7,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.92 : 25,143.78 = 5,078.54 : x
  2. Step 2: Convert to fraction form
    16,767.92/25,143.78 = 5,078.54/x
  3. Step 3: Cross multiply
    16,767.92x = 25,143.78 × 5,078.54
  4. Step 4: Simplify right side
    16,767.92x = 127,693,692.48
  5. Step 5: Solve for x
    x = 127,693,692.48/16,767.92
  6. Step 6: Final answer
    x = 7,615.36

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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.