Home / 16,766.56-23,138.34-9,213.36

Finding the Fourth Proportional to 16,766.56, 23,138.34 and 9,213.36

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Solution

The fourth proportional to 16,766.56, 23,138.34 and 9,213.36 is: 12,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.56 : 23,138.34 = 9,213.36 : x
  2. Step 2: Convert to fraction form
    16,766.56/23,138.34 = 9,213.36/x
  3. Step 3: Cross multiply
    16,766.56x = 23,138.34 × 9,213.36
  4. Step 4: Simplify right side
    16,766.56x = 213,181,856.22
  5. Step 5: Solve for x
    x = 213,181,856.22/16,766.56
  6. Step 6: Final answer
    x = 12,714.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.