Home / 13,731.64-20,597.48-3,343.38

Finding the Fourth Proportional to 13,731.64, 20,597.48 and 3,343.38

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Solution

The fourth proportional to 13,731.64, 20,597.48 and 3,343.38 is: 5,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.64 : 20,597.48 = 3,343.38 : x
  2. Step 2: Convert to fraction form
    13,731.64/20,597.48 = 3,343.38/x
  3. Step 3: Cross multiply
    13,731.64x = 20,597.48 × 3,343.38
  4. Step 4: Simplify right side
    13,731.64x = 68,865,202.68
  5. Step 5: Solve for x
    x = 68,865,202.68/13,731.64
  6. Step 6: Final answer
    x = 5,015.07

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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.