Home / 22,063.14-30,446.83-11,991.90

Finding the Fourth Proportional to 22,063.14, 30,446.83 and 11,991.90

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Solution

The fourth proportional to 22,063.14, 30,446.83 and 11,991.90 is: 16,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.14 : 30,446.83 = 11,991.90 : x
  2. Step 2: Convert to fraction form
    22,063.14/30,446.83 = 11,991.90/x
  3. Step 3: Cross multiply
    22,063.14x = 30,446.83 × 11,991.90
  4. Step 4: Simplify right side
    22,063.14x = 365,115,340.68
  5. Step 5: Solve for x
    x = 365,115,340.68/22,063.14
  6. Step 6: Final answer
    x = 16,548.66

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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.