Home / 16,790.88-25,137.67-12,648.33

Finding the Fourth Proportional to 16,790.88, 25,137.67 and 12,648.33

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Solution

The fourth proportional to 16,790.88, 25,137.67 and 12,648.33 is: 18,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.88 : 25,137.67 = 12,648.33 : x
  2. Step 2: Convert to fraction form
    16,790.88/25,137.67 = 12,648.33/x
  3. Step 3: Cross multiply
    16,790.88x = 25,137.67 × 12,648.33
  4. Step 4: Simplify right side
    16,790.88x = 317,949,545.59
  5. Step 5: Solve for x
    x = 317,949,545.59/16,790.88
  6. Step 6: Final answer
    x = 18,935.85

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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.