Home / 22,194.50-30,628.26-12,122.94

Finding the Fourth Proportional to 22,194.50, 30,628.26 and 12,122.94

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Solution

The fourth proportional to 22,194.50, 30,628.26 and 12,122.94 is: 16,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.50 : 30,628.26 = 12,122.94 : x
  2. Step 2: Convert to fraction form
    22,194.50/30,628.26 = 12,122.94/x
  3. Step 3: Cross multiply
    22,194.50x = 30,628.26 × 12,122.94
  4. Step 4: Simplify right side
    22,194.50x = 371,304,558.28
  5. Step 5: Solve for x
    x = 371,304,558.28/22,194.50
  6. Step 6: Final answer
    x = 16,729.58

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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.