Home / 20,001.27-27,601.21-11,048.58

Finding the Fourth Proportional to 20,001.27, 27,601.21 and 11,048.58

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Solution

The fourth proportional to 20,001.27, 27,601.21 and 11,048.58 is: 15,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.27 : 27,601.21 = 11,048.58 : x
  2. Step 2: Convert to fraction form
    20,001.27/27,601.21 = 11,048.58/x
  3. Step 3: Cross multiply
    20,001.27x = 27,601.21 × 11,048.58
  4. Step 4: Simplify right side
    20,001.27x = 304,953,983.53
  5. Step 5: Solve for x
    x = 304,953,983.53/20,001.27
  6. Step 6: Final answer
    x = 15,246.73

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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.