Home / 22,194.24-30,626.40-12,121.92

Finding the Fourth Proportional to 22,194.24, 30,626.40 and 12,121.92

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Solution

The fourth proportional to 22,194.24, 30,626.40 and 12,121.92 is: 16,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.24 : 30,626.40 = 12,121.92 : x
  2. Step 2: Convert to fraction form
    22,194.24/30,626.40 = 12,121.92/x
  3. Step 3: Cross multiply
    22,194.24x = 30,626.40 × 12,121.92
  4. Step 4: Simplify right side
    22,194.24x = 371,250,770.69
  5. Step 5: Solve for x
    x = 371,250,770.69/22,194.24
  6. Step 6: Final answer
    x = 16,727.35

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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.