Home / 20,031.42-30,049.17-6,882.09

Finding the Fourth Proportional to 20,031.42, 30,049.17 and 6,882.09

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Solution

The fourth proportional to 20,031.42, 30,049.17 and 6,882.09 is: 10,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.42 : 30,049.17 = 6,882.09 : x
  2. Step 2: Convert to fraction form
    20,031.42/30,049.17 = 6,882.09/x
  3. Step 3: Cross multiply
    20,031.42x = 30,049.17 × 6,882.09
  4. Step 4: Simplify right side
    20,031.42x = 206,801,092.37
  5. Step 5: Solve for x
    x = 206,801,092.37/20,031.42
  6. Step 6: Final answer
    x = 10,323.84

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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.