Home / 18,243.92-25,179.22-13,224.76

Finding the Fourth Proportional to 18,243.92, 25,179.22 and 13,224.76

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Solution

The fourth proportional to 18,243.92, 25,179.22 and 13,224.76 is: 18,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.92 : 25,179.22 = 13,224.76 : x
  2. Step 2: Convert to fraction form
    18,243.92/25,179.22 = 13,224.76/x
  3. Step 3: Cross multiply
    18,243.92x = 25,179.22 × 13,224.76
  4. Step 4: Simplify right side
    18,243.92x = 332,989,015.59
  5. Step 5: Solve for x
    x = 332,989,015.59/18,243.92
  6. Step 6: Final answer
    x = 18,252.05

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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.