Home / 19,843.45-27,383.13-11,881.03

Finding the Fourth Proportional to 19,843.45, 27,383.13 and 11,881.03

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Solution

The fourth proportional to 19,843.45, 27,383.13 and 11,881.03 is: 16,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.45 : 27,383.13 = 11,881.03 : x
  2. Step 2: Convert to fraction form
    19,843.45/27,383.13 = 11,881.03/x
  3. Step 3: Cross multiply
    19,843.45x = 27,383.13 × 11,881.03
  4. Step 4: Simplify right side
    19,843.45x = 325,339,789.02
  5. Step 5: Solve for x
    x = 325,339,789.02/19,843.45
  6. Step 6: Final answer
    x = 16,395.32

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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.