Home / 25,540.74-38,268.59-8,891.60

Finding the Fourth Proportional to 25,540.74, 38,268.59 and 8,891.60

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Solution

The fourth proportional to 25,540.74, 38,268.59 and 8,891.60 is: 13,322.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.74 : 38,268.59 = 8,891.60 : x
  2. Step 2: Convert to fraction form
    25,540.74/38,268.59 = 8,891.60/x
  3. Step 3: Cross multiply
    25,540.74x = 38,268.59 × 8,891.60
  4. Step 4: Simplify right side
    25,540.74x = 340,268,759.04
  5. Step 5: Solve for x
    x = 340,268,759.04/25,540.74
  6. Step 6: Final answer
    x = 13,322.59

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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.