Home / 20,054.91-27,676.17-11,996.87

Finding the Fourth Proportional to 20,054.91, 27,676.17 and 11,996.87

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Solution

The fourth proportional to 20,054.91, 27,676.17 and 11,996.87 is: 16,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.91 : 27,676.17 = 11,996.87 : x
  2. Step 2: Convert to fraction form
    20,054.91/27,676.17 = 11,996.87/x
  3. Step 3: Cross multiply
    20,054.91x = 27,676.17 × 11,996.87
  4. Step 4: Simplify right side
    20,054.91x = 332,027,386.79
  5. Step 5: Solve for x
    x = 332,027,386.79/20,054.91
  6. Step 6: Final answer
    x = 16,555.92

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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.