Home / 22,143.44-33,220.63-18,239.65

Finding the Fourth Proportional to 22,143.44, 33,220.63 and 18,239.65

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Solution

The fourth proportional to 22,143.44, 33,220.63 and 18,239.65 is: 27,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.44 : 33,220.63 = 18,239.65 : x
  2. Step 2: Convert to fraction form
    22,143.44/33,220.63 = 18,239.65/x
  3. Step 3: Cross multiply
    22,143.44x = 33,220.63 × 18,239.65
  4. Step 4: Simplify right side
    22,143.44x = 605,932,603.73
  5. Step 5: Solve for x
    x = 605,932,603.73/22,143.44
  6. Step 6: Final answer
    x = 27,363.97

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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.