Home / 12,347.68-18,524.64-3,583.20

Finding the Fourth Proportional to 12,347.68, 18,524.64 and 3,583.20

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Solution

The fourth proportional to 12,347.68, 18,524.64 and 3,583.20 is: 5,375.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.68 : 18,524.64 = 3,583.20 : x
  2. Step 2: Convert to fraction form
    12,347.68/18,524.64 = 3,583.20/x
  3. Step 3: Cross multiply
    12,347.68x = 18,524.64 × 3,583.20
  4. Step 4: Simplify right side
    12,347.68x = 66,377,490.05
  5. Step 5: Solve for x
    x = 66,377,490.05/12,347.68
  6. Step 6: Final answer
    x = 5,375.71

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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.