Home / 18,228.24-27,327.54-7,691.46

Finding the Fourth Proportional to 18,228.24, 27,327.54 and 7,691.46

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Solution

The fourth proportional to 18,228.24, 27,327.54 and 7,691.46 is: 11,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.24 : 27,327.54 = 7,691.46 : x
  2. Step 2: Convert to fraction form
    18,228.24/27,327.54 = 7,691.46/x
  3. Step 3: Cross multiply
    18,228.24x = 27,327.54 × 7,691.46
  4. Step 4: Simplify right side
    18,228.24x = 210,188,680.81
  5. Step 5: Solve for x
    x = 210,188,680.81/18,228.24
  6. Step 6: Final answer
    x = 11,530.94

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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.