Home / 18,183.61-27,272.37-5,037.31

Finding the Fourth Proportional to 18,183.61, 27,272.37 and 5,037.31

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Solution

The fourth proportional to 18,183.61, 27,272.37 and 5,037.31 is: 7,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.61 : 27,272.37 = 5,037.31 : x
  2. Step 2: Convert to fraction form
    18,183.61/27,272.37 = 5,037.31/x
  3. Step 3: Cross multiply
    18,183.61x = 27,272.37 × 5,037.31
  4. Step 4: Simplify right side
    18,183.61x = 137,379,382.12
  5. Step 5: Solve for x
    x = 137,379,382.12/18,183.61
  6. Step 6: Final answer
    x = 7,555.12

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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.