Home / 22,418.67-30,950.20-13,468.38

Finding the Fourth Proportional to 22,418.67, 30,950.20 and 13,468.38

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Solution

The fourth proportional to 22,418.67, 30,950.20 and 13,468.38 is: 18,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.67 : 30,950.20 = 13,468.38 : x
  2. Step 2: Convert to fraction form
    22,418.67/30,950.20 = 13,468.38/x
  3. Step 3: Cross multiply
    22,418.67x = 30,950.20 × 13,468.38
  4. Step 4: Simplify right side
    22,418.67x = 416,849,054.68
  5. Step 5: Solve for x
    x = 416,849,054.68/22,418.67
  6. Step 6: Final answer
    x = 18,593.84

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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.