Home / 22,033.43-30,406.22-11,961.89

Finding the Fourth Proportional to 22,033.43, 30,406.22 and 11,961.89

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Solution

The fourth proportional to 22,033.43, 30,406.22 and 11,961.89 is: 16,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,033.43 : 30,406.22 = 11,961.89 : x
  2. Step 2: Convert to fraction form
    22,033.43/30,406.22 = 11,961.89/x
  3. Step 3: Cross multiply
    22,033.43x = 30,406.22 × 11,961.89
  4. Step 4: Simplify right side
    22,033.43x = 363,715,858.96
  5. Step 5: Solve for x
    x = 363,715,858.96/22,033.43
  6. Step 6: Final answer
    x = 16,507.46

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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.