Home / 17,931.33-26,935.92-15,163.56

Finding the Fourth Proportional to 17,931.33, 26,935.92 and 15,163.56

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Solution

The fourth proportional to 17,931.33, 26,935.92 and 15,163.56 is: 22,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,931.33 : 26,935.92 = 15,163.56 : x
  2. Step 2: Convert to fraction form
    17,931.33/26,935.92 = 15,163.56/x
  3. Step 3: Cross multiply
    17,931.33x = 26,935.92 × 15,163.56
  4. Step 4: Simplify right side
    17,931.33x = 408,444,439.08
  5. Step 5: Solve for x
    x = 408,444,439.08/17,931.33
  6. Step 6: Final answer
    x = 22,778.26

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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.