Home / 16,788.25-23,168.30-9,234.19

Finding the Fourth Proportional to 16,788.25, 23,168.30 and 9,234.19

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Solution

The fourth proportional to 16,788.25, 23,168.30 and 9,234.19 is: 12,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.25 : 23,168.30 = 9,234.19 : x
  2. Step 2: Convert to fraction form
    16,788.25/23,168.30 = 9,234.19/x
  3. Step 3: Cross multiply
    16,788.25x = 23,168.30 × 9,234.19
  4. Step 4: Simplify right side
    16,788.25x = 213,940,438.01
  5. Step 5: Solve for x
    x = 213,940,438.01/16,788.25
  6. Step 6: Final answer
    x = 12,743.46

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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.