Home / 22,194.94-30,627.76-12,121.38

Finding the Fourth Proportional to 22,194.94, 30,627.76 and 12,121.38

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Solution

The fourth proportional to 22,194.94, 30,627.76 and 12,121.38 is: 16,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.94 : 30,627.76 = 12,121.38 : x
  2. Step 2: Convert to fraction form
    22,194.94/30,627.76 = 12,121.38/x
  3. Step 3: Cross multiply
    22,194.94x = 30,627.76 × 12,121.38
  4. Step 4: Simplify right side
    22,194.94x = 371,250,717.51
  5. Step 5: Solve for x
    x = 371,250,717.51/22,194.94
  6. Step 6: Final answer
    x = 16,726.82

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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.