Home / 45,016.31-67,524.39-13,851.56

Finding the Fourth Proportional to 45,016.31, 67,524.39 and 13,851.56

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Solution

The fourth proportional to 45,016.31, 67,524.39 and 13,851.56 is: 20,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.31 : 67,524.39 = 13,851.56 : x
  2. Step 2: Convert to fraction form
    45,016.31/67,524.39 = 13,851.56/x
  3. Step 3: Cross multiply
    45,016.31x = 67,524.39 × 13,851.56
  4. Step 4: Simplify right side
    45,016.31x = 935,317,801.93
  5. Step 5: Solve for x
    x = 935,317,801.93/45,016.31
  6. Step 6: Final answer
    x = 20,777.31

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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.