Home / 13,786.46-20,686.52-5,466.29

Finding the Fourth Proportional to 13,786.46, 20,686.52 and 5,466.29

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Solution

The fourth proportional to 13,786.46, 20,686.52 and 5,466.29 is: 8,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.46 : 20,686.52 = 5,466.29 : x
  2. Step 2: Convert to fraction form
    13,786.46/20,686.52 = 5,466.29/x
  3. Step 3: Cross multiply
    13,786.46x = 20,686.52 × 5,466.29
  4. Step 4: Simplify right side
    13,786.46x = 113,078,517.41
  5. Step 5: Solve for x
    x = 113,078,517.41/13,786.46
  6. Step 6: Final answer
    x = 8,202.14

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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.