Home / 19,798.68-27,321.26-11,845.28

Finding the Fourth Proportional to 19,798.68, 27,321.26 and 11,845.28

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Solution

The fourth proportional to 19,798.68, 27,321.26 and 11,845.28 is: 16,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.68 : 27,321.26 = 11,845.28 : x
  2. Step 2: Convert to fraction form
    19,798.68/27,321.26 = 11,845.28/x
  3. Step 3: Cross multiply
    19,798.68x = 27,321.26 × 11,845.28
  4. Step 4: Simplify right side
    19,798.68x = 323,627,974.65
  5. Step 5: Solve for x
    x = 323,627,974.65/19,798.68
  6. Step 6: Final answer
    x = 16,345.94

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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.