Home / 13,826.36-20,743.19-3,966.44

Finding the Fourth Proportional to 13,826.36, 20,743.19 and 3,966.44

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Solution

The fourth proportional to 13,826.36, 20,743.19 and 3,966.44 is: 5,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.36 : 20,743.19 = 3,966.44 : x
  2. Step 2: Convert to fraction form
    13,826.36/20,743.19 = 3,966.44/x
  3. Step 3: Cross multiply
    13,826.36x = 20,743.19 × 3,966.44
  4. Step 4: Simplify right side
    13,826.36x = 82,276,509.87
  5. Step 5: Solve for x
    x = 82,276,509.87/13,826.36
  6. Step 6: Final answer
    x = 5,950.70

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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.