Home / 20,094.17-27,729.90-11,141.44

Finding the Fourth Proportional to 20,094.17, 27,729.90 and 11,141.44

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Solution

The fourth proportional to 20,094.17, 27,729.90 and 11,141.44 is: 15,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.17 : 27,729.90 = 11,141.44 : x
  2. Step 2: Convert to fraction form
    20,094.17/27,729.90 = 11,141.44/x
  3. Step 3: Cross multiply
    20,094.17x = 27,729.90 × 11,141.44
  4. Step 4: Simplify right side
    20,094.17x = 308,950,947.73
  5. Step 5: Solve for x
    x = 308,950,947.73/20,094.17
  6. Step 6: Final answer
    x = 15,375.16

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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.