Home / 16,786.85-23,167.35-9,234.68

Finding the Fourth Proportional to 16,786.85, 23,167.35 and 9,234.68

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Solution

The fourth proportional to 16,786.85, 23,167.35 and 9,234.68 is: 12,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.85 : 23,167.35 = 9,234.68 : x
  2. Step 2: Convert to fraction form
    16,786.85/23,167.35 = 9,234.68/x
  3. Step 3: Cross multiply
    16,786.85x = 23,167.35 × 9,234.68
  4. Step 4: Simplify right side
    16,786.85x = 213,942,947.86
  5. Step 5: Solve for x
    x = 213,942,947.86/16,786.85
  6. Step 6: Final answer
    x = 12,744.68

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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.