Home / 20,084.82-27,717.03-11,132.34

Finding the Fourth Proportional to 20,084.82, 27,717.03 and 11,132.34

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Solution

The fourth proportional to 20,084.82, 27,717.03 and 11,132.34 is: 15,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.82 : 27,717.03 = 11,132.34 : x
  2. Step 2: Convert to fraction form
    20,084.82/27,717.03 = 11,132.34/x
  3. Step 3: Cross multiply
    20,084.82x = 27,717.03 × 11,132.34
  4. Step 4: Simplify right side
    20,084.82x = 308,555,401.75
  5. Step 5: Solve for x
    x = 308,555,401.75/20,084.82
  6. Step 6: Final answer
    x = 15,362.62

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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.