Home / 16,789.78-25,190.15-8,025.38

Finding the Fourth Proportional to 16,789.78, 25,190.15 and 8,025.38

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Solution

The fourth proportional to 16,789.78, 25,190.15 and 8,025.38 is: 12,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.78 : 25,190.15 = 8,025.38 : x
  2. Step 2: Convert to fraction form
    16,789.78/25,190.15 = 8,025.38/x
  3. Step 3: Cross multiply
    16,789.78x = 25,190.15 × 8,025.38
  4. Step 4: Simplify right side
    16,789.78x = 202,160,359.93
  5. Step 5: Solve for x
    x = 202,160,359.93/16,789.78
  6. Step 6: Final answer
    x = 12,040.68

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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.