Home / 25,422.09-38,143.57-11,183.23

Finding the Fourth Proportional to 25,422.09, 38,143.57 and 11,183.23

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Solution

The fourth proportional to 25,422.09, 38,143.57 and 11,183.23 is: 16,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.09 : 38,143.57 = 11,183.23 : x
  2. Step 2: Convert to fraction form
    25,422.09/38,143.57 = 11,183.23/x
  3. Step 3: Cross multiply
    25,422.09x = 38,143.57 × 11,183.23
  4. Step 4: Simplify right side
    25,422.09x = 426,568,316.33
  5. Step 5: Solve for x
    x = 426,568,316.33/25,422.09
  6. Step 6: Final answer
    x = 16,779.44

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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.