Home / 16,788.35-23,167.22-9,234.20

Finding the Fourth Proportional to 16,788.35, 23,167.22 and 9,234.20

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Solution

The fourth proportional to 16,788.35, 23,167.22 and 9,234.20 is: 12,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.35 : 23,167.22 = 9,234.20 : x
  2. Step 2: Convert to fraction form
    16,788.35/23,167.22 = 9,234.20/x
  3. Step 3: Cross multiply
    16,788.35x = 23,167.22 × 9,234.20
  4. Step 4: Simplify right side
    16,788.35x = 213,930,696.75
  5. Step 5: Solve for x
    x = 213,930,696.75/16,788.35
  6. Step 6: Final answer
    x = 12,742.81

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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.