Home / 16,682.50-25,023.76-7,912.64

Finding the Fourth Proportional to 16,682.50, 25,023.76 and 7,912.64

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Solution

The fourth proportional to 16,682.50, 25,023.76 and 7,912.64 is: 11,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.50 : 25,023.76 = 7,912.64 : x
  2. Step 2: Convert to fraction form
    16,682.50/25,023.76 = 7,912.64/x
  3. Step 3: Cross multiply
    16,682.50x = 25,023.76 × 7,912.64
  4. Step 4: Simplify right side
    16,682.50x = 198,004,004.33
  5. Step 5: Solve for x
    x = 198,004,004.33/16,682.50
  6. Step 6: Final answer
    x = 11,868.96

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Similar ratio
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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.