Home / 20,049.38-27,668.21-12,091.94

Finding the Fourth Proportional to 20,049.38, 27,668.21 and 12,091.94

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Solution

The fourth proportional to 20,049.38, 27,668.21 and 12,091.94 is: 16,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.38 : 27,668.21 = 12,091.94 : x
  2. Step 2: Convert to fraction form
    20,049.38/27,668.21 = 12,091.94/x
  3. Step 3: Cross multiply
    20,049.38x = 27,668.21 × 12,091.94
  4. Step 4: Simplify right side
    20,049.38x = 334,562,335.23
  5. Step 5: Solve for x
    x = 334,562,335.23/20,049.38
  6. Step 6: Final answer
    x = 16,686.92

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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.