Home / 22,422.11-30,942.51-12,350.48

Finding the Fourth Proportional to 22,422.11, 30,942.51 and 12,350.48

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Solution

The fourth proportional to 22,422.11, 30,942.51 and 12,350.48 is: 17,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.11 : 30,942.51 = 12,350.48 : x
  2. Step 2: Convert to fraction form
    22,422.11/30,942.51 = 12,350.48/x
  3. Step 3: Cross multiply
    22,422.11x = 30,942.51 × 12,350.48
  4. Step 4: Simplify right side
    22,422.11x = 382,154,850.90
  5. Step 5: Solve for x
    x = 382,154,850.90/22,422.11
  6. Step 6: Final answer
    x = 17,043.66

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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.