Home / 22,179.05-33,266.67-8,138.51

Finding the Fourth Proportional to 22,179.05, 33,266.67 and 8,138.51

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Solution

The fourth proportional to 22,179.05, 33,266.67 and 8,138.51 is: 12,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.05 : 33,266.67 = 8,138.51 : x
  2. Step 2: Convert to fraction form
    22,179.05/33,266.67 = 8,138.51/x
  3. Step 3: Cross multiply
    22,179.05x = 33,266.67 × 8,138.51
  4. Step 4: Simplify right side
    22,179.05x = 270,741,126.46
  5. Step 5: Solve for x
    x = 270,741,126.46/22,179.05
  6. Step 6: Final answer
    x = 12,207.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.