Home / 19,954.60-27,538.58-11,002.09

Finding the Fourth Proportional to 19,954.60, 27,538.58 and 11,002.09

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Solution

The fourth proportional to 19,954.60, 27,538.58 and 11,002.09 is: 15,183.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.60 : 27,538.58 = 11,002.09 : x
  2. Step 2: Convert to fraction form
    19,954.60/27,538.58 = 11,002.09/x
  3. Step 3: Cross multiply
    19,954.60x = 27,538.58 × 11,002.09
  4. Step 4: Simplify right side
    19,954.60x = 302,981,935.63
  5. Step 5: Solve for x
    x = 302,981,935.63/19,954.60
  6. Step 6: Final answer
    x = 15,183.56

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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.