Home / 20,183.65-30,276.99-5,392.24

Finding the Fourth Proportional to 20,183.65, 30,276.99 and 5,392.24

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Solution

The fourth proportional to 20,183.65, 30,276.99 and 5,392.24 is: 8,088.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.65 : 30,276.99 = 5,392.24 : x
  2. Step 2: Convert to fraction form
    20,183.65/30,276.99 = 5,392.24/x
  3. Step 3: Cross multiply
    20,183.65x = 30,276.99 × 5,392.24
  4. Step 4: Simplify right side
    20,183.65x = 163,260,796.56
  5. Step 5: Solve for x
    x = 163,260,796.56/20,183.65
  6. Step 6: Final answer
    x = 8,088.76

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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.