Home / 20,246.01-27,939.92-11,293.89

Finding the Fourth Proportional to 20,246.01, 27,939.92 and 11,293.89

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Solution

The fourth proportional to 20,246.01, 27,939.92 and 11,293.89 is: 15,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.01 : 27,939.92 = 11,293.89 : x
  2. Step 2: Convert to fraction form
    20,246.01/27,939.92 = 11,293.89/x
  3. Step 3: Cross multiply
    20,246.01x = 27,939.92 × 11,293.89
  4. Step 4: Simplify right side
    20,246.01x = 315,550,326.62
  5. Step 5: Solve for x
    x = 315,550,326.62/20,246.01
  6. Step 6: Final answer
    x = 15,585.80

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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.