Home / 12,844.07-19,270.22-5,454.75

Finding the Fourth Proportional to 12,844.07, 19,270.22 and 5,454.75

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Solution

The fourth proportional to 12,844.07, 19,270.22 and 5,454.75 is: 8,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.07 : 19,270.22 = 5,454.75 : x
  2. Step 2: Convert to fraction form
    12,844.07/19,270.22 = 5,454.75/x
  3. Step 3: Cross multiply
    12,844.07x = 19,270.22 × 5,454.75
  4. Step 4: Simplify right side
    12,844.07x = 105,114,232.55
  5. Step 5: Solve for x
    x = 105,114,232.55/12,844.07
  6. Step 6: Final answer
    x = 8,183.87

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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.