Home / 19,745.82-27,244.89-11,786.76

Finding the Fourth Proportional to 19,745.82, 27,244.89 and 11,786.76

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Solution

The fourth proportional to 19,745.82, 27,244.89 and 11,786.76 is: 16,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.82 : 27,244.89 = 11,786.76 : x
  2. Step 2: Convert to fraction form
    19,745.82/27,244.89 = 11,786.76/x
  3. Step 3: Cross multiply
    19,745.82x = 27,244.89 × 11,786.76
  4. Step 4: Simplify right side
    19,745.82x = 321,128,979.66
  5. Step 5: Solve for x
    x = 321,128,979.66/19,745.82
  6. Step 6: Final answer
    x = 16,263.14

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Double scale
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1.5x scale

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.