Home / 20,084.31-27,716.49-11,132.46

Finding the Fourth Proportional to 20,084.31, 27,716.49 and 11,132.46

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Solution

The fourth proportional to 20,084.31, 27,716.49 and 11,132.46 is: 15,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.31 : 27,716.49 = 11,132.46 : x
  2. Step 2: Convert to fraction form
    20,084.31/27,716.49 = 11,132.46/x
  3. Step 3: Cross multiply
    20,084.31x = 27,716.49 × 11,132.46
  4. Step 4: Simplify right side
    20,084.31x = 308,552,716.27
  5. Step 5: Solve for x
    x = 308,552,716.27/20,084.31
  6. Step 6: Final answer
    x = 15,362.87

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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.