Home / 20,232.75-27,921.20-11,849.25

Finding the Fourth Proportional to 20,232.75, 27,921.20 and 11,849.25

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Solution

The fourth proportional to 20,232.75, 27,921.20 and 11,849.25 is: 16,351.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.75 : 27,921.20 = 11,849.25 : x
  2. Step 2: Convert to fraction form
    20,232.75/27,921.20 = 11,849.25/x
  3. Step 3: Cross multiply
    20,232.75x = 27,921.20 × 11,849.25
  4. Step 4: Simplify right side
    20,232.75x = 330,845,219.85
  5. Step 5: Solve for x
    x = 330,845,219.85/20,232.75
  6. Step 6: Final answer
    x = 16,351.97

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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.