Home / 13,696.96-20,546.63-3,836.36

Finding the Fourth Proportional to 13,696.96, 20,546.63 and 3,836.36

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Solution

The fourth proportional to 13,696.96, 20,546.63 and 3,836.36 is: 5,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696.96 : 20,546.63 = 3,836.36 : x
  2. Step 2: Convert to fraction form
    13,696.96/20,546.63 = 3,836.36/x
  3. Step 3: Cross multiply
    13,696.96x = 20,546.63 × 3,836.36
  4. Step 4: Simplify right side
    13,696.96x = 78,824,269.47
  5. Step 5: Solve for x
    x = 78,824,269.47/13,696.96
  6. Step 6: Final answer
    x = 5,754.87

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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.