Home / 12,355.24-18,524.96-5,339.82

Finding the Fourth Proportional to 12,355.24, 18,524.96 and 5,339.82

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Solution

The fourth proportional to 12,355.24, 18,524.96 and 5,339.82 is: 8,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.24 : 18,524.96 = 5,339.82 : x
  2. Step 2: Convert to fraction form
    12,355.24/18,524.96 = 5,339.82/x
  3. Step 3: Cross multiply
    12,355.24x = 18,524.96 × 5,339.82
  4. Step 4: Simplify right side
    12,355.24x = 98,919,951.91
  5. Step 5: Solve for x
    x = 98,919,951.91/12,355.24
  6. Step 6: Final answer
    x = 8,006.32

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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.