Home / 36,753.96-55,143.90-13,382.76

Finding the Fourth Proportional to 36,753.96, 55,143.90 and 13,382.76

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Solution

The fourth proportional to 36,753.96, 55,143.90 and 13,382.76 is: 20,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,753.96 : 55,143.90 = 13,382.76 : x
  2. Step 2: Convert to fraction form
    36,753.96/55,143.90 = 13,382.76/x
  3. Step 3: Cross multiply
    36,753.96x = 55,143.90 × 13,382.76
  4. Step 4: Simplify right side
    36,753.96x = 737,977,579.16
  5. Step 5: Solve for x
    x = 737,977,579.16/36,753.96
  6. Step 6: Final answer
    x = 20,078.86

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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.