Home / 22,163.63-30,549.29-15,694.97

Finding the Fourth Proportional to 22,163.63, 30,549.29 and 15,694.97

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Solution

The fourth proportional to 22,163.63, 30,549.29 and 15,694.97 is: 21,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.63 : 30,549.29 = 15,694.97 : x
  2. Step 2: Convert to fraction form
    22,163.63/30,549.29 = 15,694.97/x
  3. Step 3: Cross multiply
    22,163.63x = 30,549.29 × 15,694.97
  4. Step 4: Simplify right side
    22,163.63x = 479,469,958.85
  5. Step 5: Solve for x
    x = 479,469,958.85/22,163.63
  6. Step 6: Final answer
    x = 21,633.19

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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.