Home / 20,058.24-27,679.68-11,107.44

Finding the Fourth Proportional to 20,058.24, 27,679.68 and 11,107.44

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Solution

The fourth proportional to 20,058.24, 27,679.68 and 11,107.44 is: 15,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.24 : 27,679.68 = 11,107.44 : x
  2. Step 2: Convert to fraction form
    20,058.24/27,679.68 = 11,107.44/x
  3. Step 3: Cross multiply
    20,058.24x = 27,679.68 × 11,107.44
  4. Step 4: Simplify right side
    20,058.24x = 307,450,384.82
  5. Step 5: Solve for x
    x = 307,450,384.82/20,058.24
  6. Step 6: Final answer
    x = 15,327.88

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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.