Home / 22,286.43-30,753.99-12,212.82

Finding the Fourth Proportional to 22,286.43, 30,753.99 and 12,212.82

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Solution

The fourth proportional to 22,286.43, 30,753.99 and 12,212.82 is: 16,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.43 : 30,753.99 = 12,212.82 : x
  2. Step 2: Convert to fraction form
    22,286.43/30,753.99 = 12,212.82/x
  3. Step 3: Cross multiply
    22,286.43x = 30,753.99 × 12,212.82
  4. Step 4: Simplify right side
    22,286.43x = 375,592,944.15
  5. Step 5: Solve for x
    x = 375,592,944.15/22,286.43
  6. Step 6: Final answer
    x = 16,852.99

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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.