Home / 36,183.12-54,255.28-12,806.56

Finding the Fourth Proportional to 36,183.12, 54,255.28 and 12,806.56

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Solution

The fourth proportional to 36,183.12, 54,255.28 and 12,806.56 is: 19,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,183.12 : 54,255.28 = 12,806.56 : x
  2. Step 2: Convert to fraction form
    36,183.12/54,255.28 = 12,806.56/x
  3. Step 3: Cross multiply
    36,183.12x = 54,255.28 × 12,806.56
  4. Step 4: Simplify right side
    36,183.12x = 694,823,498.64
  5. Step 5: Solve for x
    x = 694,823,498.64/36,183.12
  6. Step 6: Final answer
    x = 19,202.97

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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.