Home / 16,765.12-25,153.44-5,672.96

Finding the Fourth Proportional to 16,765.12, 25,153.44 and 5,672.96

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Solution

The fourth proportional to 16,765.12, 25,153.44 and 5,672.96 is: 8,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.12 : 25,153.44 = 5,672.96 : x
  2. Step 2: Convert to fraction form
    16,765.12/25,153.44 = 5,672.96/x
  3. Step 3: Cross multiply
    16,765.12x = 25,153.44 × 5,672.96
  4. Step 4: Simplify right side
    16,765.12x = 142,694,458.98
  5. Step 5: Solve for x
    x = 142,694,458.98/16,765.12
  6. Step 6: Final answer
    x = 8,511.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.