Home / 16,940.28-25,416.90-8,174.46

Finding the Fourth Proportional to 16,940.28, 25,416.90 and 8,174.46

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Solution

The fourth proportional to 16,940.28, 25,416.90 and 8,174.46 is: 12,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.28 : 25,416.90 = 8,174.46 : x
  2. Step 2: Convert to fraction form
    16,940.28/25,416.90 = 8,174.46/x
  3. Step 3: Cross multiply
    16,940.28x = 25,416.90 × 8,174.46
  4. Step 4: Simplify right side
    16,940.28x = 207,769,432.37
  5. Step 5: Solve for x
    x = 207,769,432.37/16,940.28
  6. Step 6: Final answer
    x = 12,264.82

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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.