Home / 18,231.56-27,347.94-5,082.82

Finding the Fourth Proportional to 18,231.56, 27,347.94 and 5,082.82

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Solution

The fourth proportional to 18,231.56, 27,347.94 and 5,082.82 is: 7,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.56 : 27,347.94 = 5,082.82 : x
  2. Step 2: Convert to fraction form
    18,231.56/27,347.94 = 5,082.82/x
  3. Step 3: Cross multiply
    18,231.56x = 27,347.94 × 5,082.82
  4. Step 4: Simplify right side
    18,231.56x = 139,004,656.39
  5. Step 5: Solve for x
    x = 139,004,656.39/18,231.56
  6. Step 6: Final answer
    x = 7,624.40

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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.