Home / 13,797.24-20,699.10-3,936.66

Finding the Fourth Proportional to 13,797.24, 20,699.10 and 3,936.66

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Solution

The fourth proportional to 13,797.24, 20,699.10 and 3,936.66 is: 5,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.24 : 20,699.10 = 3,936.66 : x
  2. Step 2: Convert to fraction form
    13,797.24/20,699.10 = 3,936.66/x
  3. Step 3: Cross multiply
    13,797.24x = 20,699.10 × 3,936.66
  4. Step 4: Simplify right side
    13,797.24x = 81,485,319.01
  5. Step 5: Solve for x
    x = 81,485,319.01/13,797.24
  6. Step 6: Final answer
    x = 5,905.91

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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.