Home / 20,186.01-30,270.74-11,882.61

Finding the Fourth Proportional to 20,186.01, 30,270.74 and 11,882.61

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Solution

The fourth proportional to 20,186.01, 30,270.74 and 11,882.61 is: 17,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.01 : 30,270.74 = 11,882.61 : x
  2. Step 2: Convert to fraction form
    20,186.01/30,270.74 = 11,882.61/x
  3. Step 3: Cross multiply
    20,186.01x = 30,270.74 × 11,882.61
  4. Step 4: Simplify right side
    20,186.01x = 359,695,338.42
  5. Step 5: Solve for x
    x = 359,695,338.42/20,186.01
  6. Step 6: Final answer
    x = 17,819.04

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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.