Home / 22,163.72-33,265-12,314.12

Finding the Fourth Proportional to 22,163.72, 33,265 and 12,314.12

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Solution

The fourth proportional to 22,163.72, 33,265 and 12,314.12 is: 18,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.72 : 33,265 = 12,314.12 : x
  2. Step 2: Convert to fraction form
    22,163.72/33,265 = 12,314.12/x
  3. Step 3: Cross multiply
    22,163.72x = 33,265 × 12,314.12
  4. Step 4: Simplify right side
    22,163.72x = 409,629,201.80
  5. Step 5: Solve for x
    x = 409,629,201.80/22,163.72
  6. Step 6: Final answer
    x = 18,481.97

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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.