Home / 20,084.91-27,717.24-11,132.56

Finding the Fourth Proportional to 20,084.91, 27,717.24 and 11,132.56

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Solution

The fourth proportional to 20,084.91, 27,717.24 and 11,132.56 is: 15,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.91 : 27,717.24 = 11,132.56 : x
  2. Step 2: Convert to fraction form
    20,084.91/27,717.24 = 11,132.56/x
  3. Step 3: Cross multiply
    20,084.91x = 27,717.24 × 11,132.56
  4. Step 4: Simplify right side
    20,084.91x = 308,563,837.33
  5. Step 5: Solve for x
    x = 308,563,837.33/20,084.91
  6. Step 6: Final answer
    x = 15,362.97

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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.