Home / 22,115.93-30,522.51-13,163.46

Finding the Fourth Proportional to 22,115.93, 30,522.51 and 13,163.46

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Solution

The fourth proportional to 22,115.93, 30,522.51 and 13,163.46 is: 18,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.93 : 30,522.51 = 13,163.46 : x
  2. Step 2: Convert to fraction form
    22,115.93/30,522.51 = 13,163.46/x
  3. Step 3: Cross multiply
    22,115.93x = 30,522.51 × 13,163.46
  4. Step 4: Simplify right side
    22,115.93x = 401,781,882.88
  5. Step 5: Solve for x
    x = 401,781,882.88/22,115.93
  6. Step 6: Final answer
    x = 18,167.08

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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.