Home / 19,690.73-27,173.92-11,194.28

Finding the Fourth Proportional to 19,690.73, 27,173.92 and 11,194.28

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Solution

The fourth proportional to 19,690.73, 27,173.92 and 11,194.28 is: 15,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.73 : 27,173.92 = 11,194.28 : x
  2. Step 2: Convert to fraction form
    19,690.73/27,173.92 = 11,194.28/x
  3. Step 3: Cross multiply
    19,690.73x = 27,173.92 × 11,194.28
  4. Step 4: Simplify right side
    19,690.73x = 304,192,469.18
  5. Step 5: Solve for x
    x = 304,192,469.18/19,690.73
  6. Step 6: Final answer
    x = 15,448.52

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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.