Home / 22,250.82-30,705.66-12,179.02

Finding the Fourth Proportional to 22,250.82, 30,705.66 and 12,179.02

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Solution

The fourth proportional to 22,250.82, 30,705.66 and 12,179.02 is: 16,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.82 : 30,705.66 = 12,179.02 : x
  2. Step 2: Convert to fraction form
    22,250.82/30,705.66 = 12,179.02/x
  3. Step 3: Cross multiply
    22,250.82x = 30,705.66 × 12,179.02
  4. Step 4: Simplify right side
    22,250.82x = 373,964,847.25
  5. Step 5: Solve for x
    x = 373,964,847.25/22,250.82
  6. Step 6: Final answer
    x = 16,806.79

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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.