Home / 20,084.44-27,716.07-11,131.42

Finding the Fourth Proportional to 20,084.44, 27,716.07 and 11,131.42

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Solution

The fourth proportional to 20,084.44, 27,716.07 and 11,131.42 is: 15,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.44 : 27,716.07 = 11,131.42 : x
  2. Step 2: Convert to fraction form
    20,084.44/27,716.07 = 11,131.42/x
  3. Step 3: Cross multiply
    20,084.44x = 27,716.07 × 11,131.42
  4. Step 4: Simplify right side
    20,084.44x = 308,519,215.92
  5. Step 5: Solve for x
    x = 308,519,215.92/20,084.44
  6. Step 6: Final answer
    x = 15,361.11

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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.