Home / 18,174.32-27,258.24-8,313.92

Finding the Fourth Proportional to 18,174.32, 27,258.24 and 8,313.92

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Solution

The fourth proportional to 18,174.32, 27,258.24 and 8,313.92 is: 12,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.32 : 27,258.24 = 8,313.92 : x
  2. Step 2: Convert to fraction form
    18,174.32/27,258.24 = 8,313.92/x
  3. Step 3: Cross multiply
    18,174.32x = 27,258.24 × 8,313.92
  4. Step 4: Simplify right side
    18,174.32x = 226,622,826.70
  5. Step 5: Solve for x
    x = 226,622,826.70/18,174.32
  6. Step 6: Final answer
    x = 12,469.40

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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.