Home / 13,896.11-19,187.69-12,833.48

Finding the Fourth Proportional to 13,896.11, 19,187.69 and 12,833.48

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Solution

The fourth proportional to 13,896.11, 19,187.69 and 12,833.48 is: 17,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.11 : 19,187.69 = 12,833.48 : x
  2. Step 2: Convert to fraction form
    13,896.11/19,187.69 = 12,833.48/x
  3. Step 3: Cross multiply
    13,896.11x = 19,187.69 × 12,833.48
  4. Step 4: Simplify right side
    13,896.11x = 246,244,837.65
  5. Step 5: Solve for x
    x = 246,244,837.65/13,896.11
  6. Step 6: Final answer
    x = 17,720.42

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Why These Related Problems?

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