Home / 22,192.42-30,625.71-12,120.68

Finding the Fourth Proportional to 22,192.42, 30,625.71 and 12,120.68

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Solution

The fourth proportional to 22,192.42, 30,625.71 and 12,120.68 is: 16,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.42 : 30,625.71 = 12,120.68 : x
  2. Step 2: Convert to fraction form
    22,192.42/30,625.71 = 12,120.68/x
  3. Step 3: Cross multiply
    22,192.42x = 30,625.71 × 12,120.68
  4. Step 4: Simplify right side
    22,192.42x = 371,204,277.55
  5. Step 5: Solve for x
    x = 371,204,277.55/22,192.42
  6. Step 6: Final answer
    x = 16,726.63

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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.