Home / 20,093.33-27,729.14-11,141.21

Finding the Fourth Proportional to 20,093.33, 27,729.14 and 11,141.21

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Solution

The fourth proportional to 20,093.33, 27,729.14 and 11,141.21 is: 15,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.33 : 27,729.14 = 11,141.21 : x
  2. Step 2: Convert to fraction form
    20,093.33/27,729.14 = 11,141.21/x
  3. Step 3: Cross multiply
    20,093.33x = 27,729.14 × 11,141.21
  4. Step 4: Simplify right side
    20,093.33x = 308,936,185.48
  5. Step 5: Solve for x
    x = 308,936,185.48/20,093.33
  6. Step 6: Final answer
    x = 15,375.06

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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.