Home / 18,530.83-27,796.18-5,383.18

Finding the Fourth Proportional to 18,530.83, 27,796.18 and 5,383.18

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Solution

The fourth proportional to 18,530.83, 27,796.18 and 5,383.18 is: 8,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.83 : 27,796.18 = 5,383.18 : x
  2. Step 2: Convert to fraction form
    18,530.83/27,796.18 = 5,383.18/x
  3. Step 3: Cross multiply
    18,530.83x = 27,796.18 × 5,383.18
  4. Step 4: Simplify right side
    18,530.83x = 149,631,840.25
  5. Step 5: Solve for x
    x = 149,631,840.25/18,530.83
  6. Step 6: Final answer
    x = 8,074.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.