Home / 20,093.85-27,729.06-11,141.27

Finding the Fourth Proportional to 20,093.85, 27,729.06 and 11,141.27

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Solution

The fourth proportional to 20,093.85, 27,729.06 and 11,141.27 is: 15,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.85 : 27,729.06 = 11,141.27 : x
  2. Step 2: Convert to fraction form
    20,093.85/27,729.06 = 11,141.27/x
  3. Step 3: Cross multiply
    20,093.85x = 27,729.06 × 11,141.27
  4. Step 4: Simplify right side
    20,093.85x = 308,936,805.66
  5. Step 5: Solve for x
    x = 308,936,805.66/20,093.85
  6. Step 6: Final answer
    x = 15,374.69

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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.