Home / 23,183.13-34,759.33-8,390.12

Finding the Fourth Proportional to 23,183.13, 34,759.33 and 8,390.12

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Solution

The fourth proportional to 23,183.13, 34,759.33 and 8,390.12 is: 12,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.13 : 34,759.33 = 8,390.12 : x
  2. Step 2: Convert to fraction form
    23,183.13/34,759.33 = 8,390.12/x
  3. Step 3: Cross multiply
    23,183.13x = 34,759.33 × 8,390.12
  4. Step 4: Simplify right side
    23,183.13x = 291,634,949.82
  5. Step 5: Solve for x
    x = 291,634,949.82/23,183.13
  6. Step 6: Final answer
    x = 12,579.62

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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.