Home / 19,954.38-27,538.28-11,001.86

Finding the Fourth Proportional to 19,954.38, 27,538.28 and 11,001.86

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Solution

The fourth proportional to 19,954.38, 27,538.28 and 11,001.86 is: 15,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.38 : 27,538.28 = 11,001.86 : x
  2. Step 2: Convert to fraction form
    19,954.38/27,538.28 = 11,001.86/x
  3. Step 3: Cross multiply
    19,954.38x = 27,538.28 × 11,001.86
  4. Step 4: Simplify right side
    19,954.38x = 302,972,253.03
  5. Step 5: Solve for x
    x = 302,972,253.03/19,954.38
  6. Step 6: Final answer
    x = 15,183.24

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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.