Home / 36,628.24-54,942.40-13,249.20

Finding the Fourth Proportional to 36,628.24, 54,942.40 and 13,249.20

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Solution

The fourth proportional to 36,628.24, 54,942.40 and 13,249.20 is: 19,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.24 : 54,942.40 = 13,249.20 : x
  2. Step 2: Convert to fraction form
    36,628.24/54,942.40 = 13,249.20/x
  3. Step 3: Cross multiply
    36,628.24x = 54,942.40 × 13,249.20
  4. Step 4: Simplify right side
    36,628.24x = 727,942,846.08
  5. Step 5: Solve for x
    x = 727,942,846.08/36,628.24
  6. Step 6: Final answer
    x = 19,873.81

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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.