Home / 19,954.38-27,537.22-11,002.20

Finding the Fourth Proportional to 19,954.38, 27,537.22 and 11,002.20

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Solution

The fourth proportional to 19,954.38, 27,537.22 and 11,002.20 is: 15,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.38 : 27,537.22 = 11,002.20 : x
  2. Step 2: Convert to fraction form
    19,954.38/27,537.22 = 11,002.20/x
  3. Step 3: Cross multiply
    19,954.38x = 27,537.22 × 11,002.20
  4. Step 4: Simplify right side
    19,954.38x = 302,970,001.88
  5. Step 5: Solve for x
    x = 302,970,001.88/19,954.38
  6. Step 6: Final answer
    x = 15,183.13

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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.