Home / 20,227.28-27,913.73-11,734.43

Finding the Fourth Proportional to 20,227.28, 27,913.73 and 11,734.43

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Solution

The fourth proportional to 20,227.28, 27,913.73 and 11,734.43 is: 16,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.28 : 27,913.73 = 11,734.43 : x
  2. Step 2: Convert to fraction form
    20,227.28/27,913.73 = 11,734.43/x
  3. Step 3: Cross multiply
    20,227.28x = 27,913.73 × 11,734.43
  4. Step 4: Simplify right side
    20,227.28x = 327,551,512.48
  5. Step 5: Solve for x
    x = 327,551,512.48/20,227.28
  6. Step 6: Final answer
    x = 16,193.56

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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.