Home / 22,183.76-33,288.42-12,322.20

Finding the Fourth Proportional to 22,183.76, 33,288.42 and 12,322.20

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Solution

The fourth proportional to 22,183.76, 33,288.42 and 12,322.20 is: 18,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,183.76 : 33,288.42 = 12,322.20 : x
  2. Step 2: Convert to fraction form
    22,183.76/33,288.42 = 12,322.20/x
  3. Step 3: Cross multiply
    22,183.76x = 33,288.42 × 12,322.20
  4. Step 4: Simplify right side
    22,183.76x = 410,186,568.92
  5. Step 5: Solve for x
    x = 410,186,568.92/22,183.76
  6. Step 6: Final answer
    x = 18,490.40

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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.