Home / 16,766.50-25,148.97-4,919.79

Finding the Fourth Proportional to 16,766.50, 25,148.97 and 4,919.79

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Solution

The fourth proportional to 16,766.50, 25,148.97 and 4,919.79 is: 7,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.50 : 25,148.97 = 4,919.79 : x
  2. Step 2: Convert to fraction form
    16,766.50/25,148.97 = 4,919.79/x
  3. Step 3: Cross multiply
    16,766.50x = 25,148.97 × 4,919.79
  4. Step 4: Simplify right side
    16,766.50x = 123,727,651.12
  5. Step 5: Solve for x
    x = 123,727,651.12/16,766.50
  6. Step 6: Final answer
    x = 7,379.46

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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.