Home / 25,495.22-38,229.69-11,443.20

Finding the Fourth Proportional to 25,495.22, 38,229.69 and 11,443.20

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Solution

The fourth proportional to 25,495.22, 38,229.69 and 11,443.20 is: 17,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.22 : 38,229.69 = 11,443.20 : x
  2. Step 2: Convert to fraction form
    25,495.22/38,229.69 = 11,443.20/x
  3. Step 3: Cross multiply
    25,495.22x = 38,229.69 × 11,443.20
  4. Step 4: Simplify right side
    25,495.22x = 437,469,845.25
  5. Step 5: Solve for x
    x = 437,469,845.25/25,495.22
  6. Step 6: Final answer
    x = 17,158.90

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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.