Home / 20,058.52-27,676.84-11,105.60

Finding the Fourth Proportional to 20,058.52, 27,676.84 and 11,105.60

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Solution

The fourth proportional to 20,058.52, 27,676.84 and 11,105.60 is: 15,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.52 : 27,676.84 = 11,105.60 : x
  2. Step 2: Convert to fraction form
    20,058.52/27,676.84 = 11,105.60/x
  3. Step 3: Cross multiply
    20,058.52x = 27,676.84 × 11,105.60
  4. Step 4: Simplify right side
    20,058.52x = 307,367,914.30
  5. Step 5: Solve for x
    x = 307,367,914.30/20,058.52
  6. Step 6: Final answer
    x = 15,323.56

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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.