Home / 13,794.56-20,688.42-3,933.92

Finding the Fourth Proportional to 13,794.56, 20,688.42 and 3,933.92

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Solution

The fourth proportional to 13,794.56, 20,688.42 and 3,933.92 is: 5,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.56 : 20,688.42 = 3,933.92 : x
  2. Step 2: Convert to fraction form
    13,794.56/20,688.42 = 3,933.92/x
  3. Step 3: Cross multiply
    13,794.56x = 20,688.42 × 3,933.92
  4. Step 4: Simplify right side
    13,794.56x = 81,386,640.93
  5. Step 5: Solve for x
    x = 81,386,640.93/13,794.56
  6. Step 6: Final answer
    x = 5,899.91

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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.