Home / 16,852.88-25,255.23-12,375.42

Finding the Fourth Proportional to 16,852.88, 25,255.23 and 12,375.42

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Solution

The fourth proportional to 16,852.88, 25,255.23 and 12,375.42 is: 18,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.88 : 25,255.23 = 12,375.42 : x
  2. Step 2: Convert to fraction form
    16,852.88/25,255.23 = 12,375.42/x
  3. Step 3: Cross multiply
    16,852.88x = 25,255.23 × 12,375.42
  4. Step 4: Simplify right side
    16,852.88x = 312,544,078.45
  5. Step 5: Solve for x
    x = 312,544,078.45/16,852.88
  6. Step 6: Final answer
    x = 18,545.44

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1.5x scale

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.