Home / 22,194.36-30,628.38-12,122.62

Finding the Fourth Proportional to 22,194.36, 30,628.38 and 12,122.62

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Solution

The fourth proportional to 22,194.36, 30,628.38 and 12,122.62 is: 16,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.36 : 30,628.38 = 12,122.62 : x
  2. Step 2: Convert to fraction form
    22,194.36/30,628.38 = 12,122.62/x
  3. Step 3: Cross multiply
    22,194.36x = 30,628.38 × 12,122.62
  4. Step 4: Simplify right side
    22,194.36x = 371,296,211.96
  5. Step 5: Solve for x
    x = 371,296,211.96/22,194.36
  6. Step 6: Final answer
    x = 16,729.30

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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.