Home / 26,176.61-36,137.09-20,194.85

Finding the Fourth Proportional to 26,176.61, 36,137.09 and 20,194.85

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Solution

The fourth proportional to 26,176.61, 36,137.09 and 20,194.85 is: 27,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,176.61 : 36,137.09 = 20,194.85 : x
  2. Step 2: Convert to fraction form
    26,176.61/36,137.09 = 20,194.85/x
  3. Step 3: Cross multiply
    26,176.61x = 36,137.09 × 20,194.85
  4. Step 4: Simplify right side
    26,176.61x = 729,782,981.79
  5. Step 5: Solve for x
    x = 729,782,981.79/26,176.61
  6. Step 6: Final answer
    x = 27,879.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.