Home / 20,724.68-31,093.09-6,684.44

Finding the Fourth Proportional to 20,724.68, 31,093.09 and 6,684.44

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Solution

The fourth proportional to 20,724.68, 31,093.09 and 6,684.44 is: 10,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.68 : 31,093.09 = 6,684.44 : x
  2. Step 2: Convert to fraction form
    20,724.68/31,093.09 = 6,684.44/x
  3. Step 3: Cross multiply
    20,724.68x = 31,093.09 × 6,684.44
  4. Step 4: Simplify right side
    20,724.68x = 207,839,739.05
  5. Step 5: Solve for x
    x = 207,839,739.05/20,724.68
  6. Step 6: Final answer
    x = 10,028.61

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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.