Home / 18,305.56-25,261.68-9,922

Finding the Fourth Proportional to 18,305.56, 25,261.68 and 9,922

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Solution

The fourth proportional to 18,305.56, 25,261.68 and 9,922 is: 13,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.56 : 25,261.68 = 9,922 : x
  2. Step 2: Convert to fraction form
    18,305.56/25,261.68 = 9,922/x
  3. Step 3: Cross multiply
    18,305.56x = 25,261.68 × 9,922
  4. Step 4: Simplify right side
    18,305.56x = 250,646,388.96
  5. Step 5: Solve for x
    x = 250,646,388.96/18,305.56
  6. Step 6: Final answer
    x = 13,692.36

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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.