Home / 13,243.94-19,867.15-3,383.27

Finding the Fourth Proportional to 13,243.94, 19,867.15 and 3,383.27

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Solution

The fourth proportional to 13,243.94, 19,867.15 and 3,383.27 is: 5,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.94 : 19,867.15 = 3,383.27 : x
  2. Step 2: Convert to fraction form
    13,243.94/19,867.15 = 3,383.27/x
  3. Step 3: Cross multiply
    13,243.94x = 19,867.15 × 3,383.27
  4. Step 4: Simplify right side
    13,243.94x = 67,215,833.24
  5. Step 5: Solve for x
    x = 67,215,833.24/13,243.94
  6. Step 6: Final answer
    x = 5,075.22

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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.