Home / 22,287.31-33,472.61-19,619.85

Finding the Fourth Proportional to 22,287.31, 33,472.61 and 19,619.85

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Solution

The fourth proportional to 22,287.31, 33,472.61 and 19,619.85 is: 29,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.31 : 33,472.61 = 19,619.85 : x
  2. Step 2: Convert to fraction form
    22,287.31/33,472.61 = 19,619.85/x
  3. Step 3: Cross multiply
    22,287.31x = 33,472.61 × 19,619.85
  4. Step 4: Simplify right side
    22,287.31x = 656,727,587.31
  5. Step 5: Solve for x
    x = 656,727,587.31/22,287.31
  6. Step 6: Final answer
    x = 29,466.44

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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.