Home / 38,198.05-57,297.83-13,238.91

Finding the Fourth Proportional to 38,198.05, 57,297.83 and 13,238.91

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Solution

The fourth proportional to 38,198.05, 57,297.83 and 13,238.91 is: 19,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.05 : 57,297.83 = 13,238.91 : x
  2. Step 2: Convert to fraction form
    38,198.05/57,297.83 = 13,238.91/x
  3. Step 3: Cross multiply
    38,198.05x = 57,297.83 × 13,238.91
  4. Step 4: Simplify right side
    38,198.05x = 758,560,748.37
  5. Step 5: Solve for x
    x = 758,560,748.37/38,198.05
  6. Step 6: Final answer
    x = 19,858.63

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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.