Home / 16,578.24-24,868.32-4,891.68

Finding the Fourth Proportional to 16,578.24, 24,868.32 and 4,891.68

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Solution

The fourth proportional to 16,578.24, 24,868.32 and 4,891.68 is: 7,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.24 : 24,868.32 = 4,891.68 : x
  2. Step 2: Convert to fraction form
    16,578.24/24,868.32 = 4,891.68/x
  3. Step 3: Cross multiply
    16,578.24x = 24,868.32 × 4,891.68
  4. Step 4: Simplify right side
    16,578.24x = 121,647,863.58
  5. Step 5: Solve for x
    x = 121,647,863.58/16,578.24
  6. Step 6: Final answer
    x = 7,337.80

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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.