Home / 13,899.26-19,183.94-8,862.32

Finding the Fourth Proportional to 13,899.26, 19,183.94 and 8,862.32

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Solution

The fourth proportional to 13,899.26, 19,183.94 and 8,862.32 is: 12,231.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.26 : 19,183.94 = 8,862.32 : x
  2. Step 2: Convert to fraction form
    13,899.26/19,183.94 = 8,862.32/x
  3. Step 3: Cross multiply
    13,899.26x = 19,183.94 × 8,862.32
  4. Step 4: Simplify right side
    13,899.26x = 170,014,074.91
  5. Step 5: Solve for x
    x = 170,014,074.91/13,899.26
  6. Step 6: Final answer
    x = 12,231.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.