Home / 16,912.45-25,370.17-4,432.43

Finding the Fourth Proportional to 16,912.45, 25,370.17 and 4,432.43

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Solution

The fourth proportional to 16,912.45, 25,370.17 and 4,432.43 is: 6,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.45 : 25,370.17 = 4,432.43 : x
  2. Step 2: Convert to fraction form
    16,912.45/25,370.17 = 4,432.43/x
  3. Step 3: Cross multiply
    16,912.45x = 25,370.17 × 4,432.43
  4. Step 4: Simplify right side
    16,912.45x = 112,451,375.76
  5. Step 5: Solve for x
    x = 112,451,375.76/16,912.45
  6. Step 6: Final answer
    x = 6,649.03

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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.