Home / 43,512.11-65,236.23-13,912.91

Finding the Fourth Proportional to 43,512.11, 65,236.23 and 13,912.91

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Solution

The fourth proportional to 43,512.11, 65,236.23 and 13,912.91 is: 20,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,512.11 : 65,236.23 = 13,912.91 : x
  2. Step 2: Convert to fraction form
    43,512.11/65,236.23 = 13,912.91/x
  3. Step 3: Cross multiply
    43,512.11x = 65,236.23 × 13,912.91
  4. Step 4: Simplify right side
    43,512.11x = 907,625,796.73
  5. Step 5: Solve for x
    x = 907,625,796.73/43,512.11
  6. Step 6: Final answer
    x = 20,859.15

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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.