Home / 19,530.11-29,299.73-6,382.60

Finding the Fourth Proportional to 19,530.11, 29,299.73 and 6,382.60

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Solution

The fourth proportional to 19,530.11, 29,299.73 and 6,382.60 is: 9,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.11 : 29,299.73 = 6,382.60 : x
  2. Step 2: Convert to fraction form
    19,530.11/29,299.73 = 6,382.60/x
  3. Step 3: Cross multiply
    19,530.11x = 29,299.73 × 6,382.60
  4. Step 4: Simplify right side
    19,530.11x = 187,008,351.54
  5. Step 5: Solve for x
    x = 187,008,351.54/19,530.11
  6. Step 6: Final answer
    x = 9,575.39

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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.