Home / 16,774.20-25,168.13-8,456.61

Finding the Fourth Proportional to 16,774.20, 25,168.13 and 8,456.61

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Solution

The fourth proportional to 16,774.20, 25,168.13 and 8,456.61 is: 12,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.20 : 25,168.13 = 8,456.61 : x
  2. Step 2: Convert to fraction form
    16,774.20/25,168.13 = 8,456.61/x
  3. Step 3: Cross multiply
    16,774.20x = 25,168.13 × 8,456.61
  4. Step 4: Simplify right side
    16,774.20x = 212,837,191.22
  5. Step 5: Solve for x
    x = 212,837,191.22/16,774.20
  6. Step 6: Final answer
    x = 12,688.37

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1.5x scale

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.