Home / 20,062.91-27,687.20-12,004.85

Finding the Fourth Proportional to 20,062.91, 27,687.20 and 12,004.85

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Solution

The fourth proportional to 20,062.91, 27,687.20 and 12,004.85 is: 16,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.91 : 27,687.20 = 12,004.85 : x
  2. Step 2: Convert to fraction form
    20,062.91/27,687.20 = 12,004.85/x
  3. Step 3: Cross multiply
    20,062.91x = 27,687.20 × 12,004.85
  4. Step 4: Simplify right side
    20,062.91x = 332,380,484.46
  5. Step 5: Solve for x
    x = 332,380,484.46/20,062.91
  6. Step 6: Final answer
    x = 16,566.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.