Home / 13,251.93-19,881.77-5,350.38

Finding the Fourth Proportional to 13,251.93, 19,881.77 and 5,350.38

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Solution

The fourth proportional to 13,251.93, 19,881.77 and 5,350.38 is: 8,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.93 : 19,881.77 = 5,350.38 : x
  2. Step 2: Convert to fraction form
    13,251.93/19,881.77 = 5,350.38/x
  3. Step 3: Cross multiply
    13,251.93x = 19,881.77 × 5,350.38
  4. Step 4: Simplify right side
    13,251.93x = 106,375,024.57
  5. Step 5: Solve for x
    x = 106,375,024.57/13,251.93
  6. Step 6: Final answer
    x = 8,027.13

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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.