Home / 13,731.32-20,597.02-3,343.08

Finding the Fourth Proportional to 13,731.32, 20,597.02 and 3,343.08

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Solution

The fourth proportional to 13,731.32, 20,597.02 and 3,343.08 is: 5,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.32 : 20,597.02 = 3,343.08 : x
  2. Step 2: Convert to fraction form
    13,731.32/20,597.02 = 3,343.08/x
  3. Step 3: Cross multiply
    13,731.32x = 20,597.02 × 3,343.08
  4. Step 4: Simplify right side
    13,731.32x = 68,857,485.62
  5. Step 5: Solve for x
    x = 68,857,485.62/13,731.32
  6. Step 6: Final answer
    x = 5,014.63

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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.