Home / 16,780.62-23,157.34-9,227.43

Finding the Fourth Proportional to 16,780.62, 23,157.34 and 9,227.43

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Solution

The fourth proportional to 16,780.62, 23,157.34 and 9,227.43 is: 12,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.62 : 23,157.34 = 9,227.43 : x
  2. Step 2: Convert to fraction form
    16,780.62/23,157.34 = 9,227.43/x
  3. Step 3: Cross multiply
    16,780.62x = 23,157.34 × 9,227.43
  4. Step 4: Simplify right side
    16,780.62x = 213,682,710.77
  5. Step 5: Solve for x
    x = 213,682,710.77/16,780.62
  6. Step 6: Final answer
    x = 12,733.90

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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.