Home / 13,195.81-19,796.73-3,835.99

Finding the Fourth Proportional to 13,195.81, 19,796.73 and 3,835.99

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Solution

The fourth proportional to 13,195.81, 19,796.73 and 3,835.99 is: 5,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.81 : 19,796.73 = 3,835.99 : x
  2. Step 2: Convert to fraction form
    13,195.81/19,796.73 = 3,835.99/x
  3. Step 3: Cross multiply
    13,195.81x = 19,796.73 × 3,835.99
  4. Step 4: Simplify right side
    13,195.81x = 75,940,058.31
  5. Step 5: Solve for x
    x = 75,940,058.31/13,195.81
  6. Step 6: Final answer
    x = 5,754.86

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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.