Home / 33,715.15-50,578.20-12,656.85

Finding the Fourth Proportional to 33,715.15, 50,578.20 and 12,656.85

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Solution

The fourth proportional to 33,715.15, 50,578.20 and 12,656.85 is: 18,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,715.15 : 50,578.20 = 12,656.85 : x
  2. Step 2: Convert to fraction form
    33,715.15/50,578.20 = 12,656.85/x
  3. Step 3: Cross multiply
    33,715.15x = 50,578.20 × 12,656.85
  4. Step 4: Simplify right side
    33,715.15x = 640,160,690.67
  5. Step 5: Solve for x
    x = 640,160,690.67/33,715.15
  6. Step 6: Final answer
    x = 18,987.33

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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.