Home / 13,932.97-20,881.23-12,076.45

Finding the Fourth Proportional to 13,932.97, 20,881.23 and 12,076.45

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Solution

The fourth proportional to 13,932.97, 20,881.23 and 12,076.45 is: 18,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.97 : 20,881.23 = 12,076.45 : x
  2. Step 2: Convert to fraction form
    13,932.97/20,881.23 = 12,076.45/x
  3. Step 3: Cross multiply
    13,932.97x = 20,881.23 × 12,076.45
  4. Step 4: Simplify right side
    13,932.97x = 252,171,032.54
  5. Step 5: Solve for x
    x = 252,171,032.54/13,932.97
  6. Step 6: Final answer
    x = 18,098.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.