Home / 16,912.12-25,367.92-5,818.91

Finding the Fourth Proportional to 16,912.12, 25,367.92 and 5,818.91

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Solution

The fourth proportional to 16,912.12, 25,367.92 and 5,818.91 is: 8,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.12 : 25,367.92 = 5,818.91 : x
  2. Step 2: Convert to fraction form
    16,912.12/25,367.92 = 5,818.91/x
  3. Step 3: Cross multiply
    16,912.12x = 25,367.92 × 5,818.91
  4. Step 4: Simplify right side
    16,912.12x = 147,613,487.43
  5. Step 5: Solve for x
    x = 147,613,487.43/16,912.12
  6. Step 6: Final answer
    x = 8,728.27

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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.