Home / 13,254.97-19,881.99-3,394.33

Finding the Fourth Proportional to 13,254.97, 19,881.99 and 3,394.33

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Solution

The fourth proportional to 13,254.97, 19,881.99 and 3,394.33 is: 5,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.97 : 19,881.99 = 3,394.33 : x
  2. Step 2: Convert to fraction form
    13,254.97/19,881.99 = 3,394.33/x
  3. Step 3: Cross multiply
    13,254.97x = 19,881.99 × 3,394.33
  4. Step 4: Simplify right side
    13,254.97x = 67,486,035.12
  5. Step 5: Solve for x
    x = 67,486,035.12/13,254.97
  6. Step 6: Final answer
    x = 5,091.38

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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.