Home / 18,183.72-27,276.21-5,037.06

Finding the Fourth Proportional to 18,183.72, 27,276.21 and 5,037.06

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Solution

The fourth proportional to 18,183.72, 27,276.21 and 5,037.06 is: 7,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.72 : 27,276.21 = 5,037.06 : x
  2. Step 2: Convert to fraction form
    18,183.72/27,276.21 = 5,037.06/x
  3. Step 3: Cross multiply
    18,183.72x = 27,276.21 × 5,037.06
  4. Step 4: Simplify right side
    18,183.72x = 137,391,906.34
  5. Step 5: Solve for x
    x = 137,391,906.34/18,183.72
  6. Step 6: Final answer
    x = 7,555.76

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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.