Home / 22,194.18-30,625.20-12,635.30

Finding the Fourth Proportional to 22,194.18, 30,625.20 and 12,635.30

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Solution

The fourth proportional to 22,194.18, 30,625.20 and 12,635.30 is: 17,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.18 : 30,625.20 = 12,635.30 : x
  2. Step 2: Convert to fraction form
    22,194.18/30,625.20 = 12,635.30/x
  3. Step 3: Cross multiply
    22,194.18x = 30,625.20 × 12,635.30
  4. Step 4: Simplify right side
    22,194.18x = 386,958,589.56
  5. Step 5: Solve for x
    x = 386,958,589.56/22,194.18
  6. Step 6: Final answer
    x = 17,435.14

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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.