Home / 13,361.87-20,049.72-9,694.37

Finding the Fourth Proportional to 13,361.87, 20,049.72 and 9,694.37

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Solution

The fourth proportional to 13,361.87, 20,049.72 and 9,694.37 is: 14,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.87 : 20,049.72 = 9,694.37 : x
  2. Step 2: Convert to fraction form
    13,361.87/20,049.72 = 9,694.37/x
  3. Step 3: Cross multiply
    13,361.87x = 20,049.72 × 9,694.37
  4. Step 4: Simplify right side
    13,361.87x = 194,369,434.78
  5. Step 5: Solve for x
    x = 194,369,434.78/13,361.87
  6. Step 6: Final answer
    x = 14,546.57

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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.