Home / 22,288.36-30,757.82-12,217.22

Finding the Fourth Proportional to 22,288.36, 30,757.82 and 12,217.22

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Solution

The fourth proportional to 22,288.36, 30,757.82 and 12,217.22 is: 16,859.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,288.36 : 30,757.82 = 12,217.22 : x
  2. Step 2: Convert to fraction form
    22,288.36/30,757.82 = 12,217.22/x
  3. Step 3: Cross multiply
    22,288.36x = 30,757.82 × 12,217.22
  4. Step 4: Simplify right side
    22,288.36x = 375,775,053.66
  5. Step 5: Solve for x
    x = 375,775,053.66/22,288.36
  6. Step 6: Final answer
    x = 16,859.70

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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.