Home / 13,259.97-19,888.47-3,399.48

Finding the Fourth Proportional to 13,259.97, 19,888.47 and 3,399.48

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Solution

The fourth proportional to 13,259.97, 19,888.47 and 3,399.48 is: 5,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.97 : 19,888.47 = 3,399.48 : x
  2. Step 2: Convert to fraction form
    13,259.97/19,888.47 = 3,399.48/x
  3. Step 3: Cross multiply
    13,259.97x = 19,888.47 × 3,399.48
  4. Step 4: Simplify right side
    13,259.97x = 67,610,456.00
  5. Step 5: Solve for x
    x = 67,610,456.00/13,259.97
  6. Step 6: Final answer
    x = 5,098.84

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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.