Home / 16,780.50-23,157.26-9,226.65

Finding the Fourth Proportional to 16,780.50, 23,157.26 and 9,226.65

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Solution

The fourth proportional to 16,780.50, 23,157.26 and 9,226.65 is: 12,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.50 : 23,157.26 = 9,226.65 : x
  2. Step 2: Convert to fraction form
    16,780.50/23,157.26 = 9,226.65/x
  3. Step 3: Cross multiply
    16,780.50x = 23,157.26 × 9,226.65
  4. Step 4: Simplify right side
    16,780.50x = 213,663,932.98
  5. Step 5: Solve for x
    x = 213,663,932.98/16,780.50
  6. Step 6: Final answer
    x = 12,732.87

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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.