Home / 13,926.57-20,935.04-11,183.28

Finding the Fourth Proportional to 13,926.57, 20,935.04 and 11,183.28

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Solution

The fourth proportional to 13,926.57, 20,935.04 and 11,183.28 is: 16,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.57 : 20,935.04 = 11,183.28 : x
  2. Step 2: Convert to fraction form
    13,926.57/20,935.04 = 11,183.28/x
  3. Step 3: Cross multiply
    13,926.57x = 20,935.04 × 11,183.28
  4. Step 4: Simplify right side
    13,926.57x = 234,122,358.21
  5. Step 5: Solve for x
    x = 234,122,358.21/13,926.57
  6. Step 6: Final answer
    x = 16,811.20

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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.