Home / 19,843.26-27,383.13-11,228.64

Finding the Fourth Proportional to 19,843.26, 27,383.13 and 11,228.64

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Solution

The fourth proportional to 19,843.26, 27,383.13 and 11,228.64 is: 15,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.26 : 27,383.13 = 11,228.64 : x
  2. Step 2: Convert to fraction form
    19,843.26/27,383.13 = 11,228.64/x
  3. Step 3: Cross multiply
    19,843.26x = 27,383.13 × 11,228.64
  4. Step 4: Simplify right side
    19,843.26x = 307,475,308.84
  5. Step 5: Solve for x
    x = 307,475,308.84/19,843.26
  6. Step 6: Final answer
    x = 15,495.20

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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.