Home / 22,183.08-30,619.30-13,236.84

Finding the Fourth Proportional to 22,183.08, 30,619.30 and 13,236.84

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Solution

The fourth proportional to 22,183.08, 30,619.30 and 13,236.84 is: 18,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.08 : 30,619.30 = 13,236.84 : x
  2. Step 2: Convert to fraction form
    22,183.08/30,619.30 = 13,236.84/x
  3. Step 3: Cross multiply
    22,183.08x = 30,619.30 × 13,236.84
  4. Step 4: Simplify right side
    22,183.08x = 405,302,775.01
  5. Step 5: Solve for x
    x = 405,302,775.01/22,183.08
  6. Step 6: Final answer
    x = 18,270.81

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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.