Home / 22,230.47-30,689.19-17,183.28

Finding the Fourth Proportional to 22,230.47, 30,689.19 and 17,183.28

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Solution

The fourth proportional to 22,230.47, 30,689.19 and 17,183.28 is: 23,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.47 : 30,689.19 = 17,183.28 : x
  2. Step 2: Convert to fraction form
    22,230.47/30,689.19 = 17,183.28/x
  3. Step 3: Cross multiply
    22,230.47x = 30,689.19 × 17,183.28
  4. Step 4: Simplify right side
    22,230.47x = 527,340,944.74
  5. Step 5: Solve for x
    x = 527,340,944.74/22,230.47
  6. Step 6: Final answer
    x = 23,721.54

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Half scale
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Double scale
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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.