Home / 19,954.60-27,538.58-11,002.08

Finding the Fourth Proportional to 19,954.60, 27,538.58 and 11,002.08

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Solution

The fourth proportional to 19,954.60, 27,538.58 and 11,002.08 is: 15,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.60 : 27,538.58 = 11,002.08 : x
  2. Step 2: Convert to fraction form
    19,954.60/27,538.58 = 11,002.08/x
  3. Step 3: Cross multiply
    19,954.60x = 27,538.58 × 11,002.08
  4. Step 4: Simplify right side
    19,954.60x = 302,981,660.25
  5. Step 5: Solve for x
    x = 302,981,660.25/19,954.60
  6. Step 6: Final answer
    x = 15,183.55

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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.