Home / 13,297.05-19,932.81-5,397.73

Finding the Fourth Proportional to 13,297.05, 19,932.81 and 5,397.73

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Solution

The fourth proportional to 13,297.05, 19,932.81 and 5,397.73 is: 8,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.05 : 19,932.81 = 5,397.73 : x
  2. Step 2: Convert to fraction form
    13,297.05/19,932.81 = 5,397.73/x
  3. Step 3: Cross multiply
    13,297.05x = 19,932.81 × 5,397.73
  4. Step 4: Simplify right side
    13,297.05x = 107,591,926.52
  5. Step 5: Solve for x
    x = 107,591,926.52/13,297.05
  6. Step 6: Final answer
    x = 8,091.41

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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.