Home / 22,134.24-30,538.08-13,183.20

Finding the Fourth Proportional to 22,134.24, 30,538.08 and 13,183.20

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Solution

The fourth proportional to 22,134.24, 30,538.08 and 13,183.20 is: 18,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.24 : 30,538.08 = 13,183.20 : x
  2. Step 2: Convert to fraction form
    22,134.24/30,538.08 = 13,183.20/x
  3. Step 3: Cross multiply
    22,134.24x = 30,538.08 × 13,183.20
  4. Step 4: Simplify right side
    22,134.24x = 402,589,616.26
  5. Step 5: Solve for x
    x = 402,589,616.26/22,134.24
  6. Step 6: Final answer
    x = 18,188.54

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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.