Home / 13,200.14-19,796.12-4,765.54

Finding the Fourth Proportional to 13,200.14, 19,796.12 and 4,765.54

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Solution

The fourth proportional to 13,200.14, 19,796.12 and 4,765.54 is: 7,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.14 : 19,796.12 = 4,765.54 : x
  2. Step 2: Convert to fraction form
    13,200.14/19,796.12 = 4,765.54/x
  3. Step 3: Cross multiply
    13,200.14x = 19,796.12 × 4,765.54
  4. Step 4: Simplify right side
    13,200.14x = 94,339,201.70
  5. Step 5: Solve for x
    x = 94,339,201.70/13,200.14
  6. Step 6: Final answer
    x = 7,146.83

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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.