Home / 22,057.54-30,439.43-11,986.09

Finding the Fourth Proportional to 22,057.54, 30,439.43 and 11,986.09

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Solution

The fourth proportional to 22,057.54, 30,439.43 and 11,986.09 is: 16,540.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.54 : 30,439.43 = 11,986.09 : x
  2. Step 2: Convert to fraction form
    22,057.54/30,439.43 = 11,986.09/x
  3. Step 3: Cross multiply
    22,057.54x = 30,439.43 × 11,986.09
  4. Step 4: Simplify right side
    22,057.54x = 364,849,747.53
  5. Step 5: Solve for x
    x = 364,849,747.53/22,057.54
  6. Step 6: Final answer
    x = 16,540.82

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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.