Home / 20,104.76-27,745.82-11,608.43

Finding the Fourth Proportional to 20,104.76, 27,745.82 and 11,608.43

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Solution

The fourth proportional to 20,104.76, 27,745.82 and 11,608.43 is: 16,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.76 : 27,745.82 = 11,608.43 : x
  2. Step 2: Convert to fraction form
    20,104.76/27,745.82 = 11,608.43/x
  3. Step 3: Cross multiply
    20,104.76x = 27,745.82 × 11,608.43
  4. Step 4: Simplify right side
    20,104.76x = 322,085,351.22
  5. Step 5: Solve for x
    x = 322,085,351.22/20,104.76
  6. Step 6: Final answer
    x = 16,020.36

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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.