Home / 25,825.80-38,742.30-11,034.60

Finding the Fourth Proportional to 25,825.80, 38,742.30 and 11,034.60

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Solution

The fourth proportional to 25,825.80, 38,742.30 and 11,034.60 is: 16,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.80 : 38,742.30 = 11,034.60 : x
  2. Step 2: Convert to fraction form
    25,825.80/38,742.30 = 11,034.60/x
  3. Step 3: Cross multiply
    25,825.80x = 38,742.30 × 11,034.60
  4. Step 4: Simplify right side
    25,825.80x = 427,505,783.58
  5. Step 5: Solve for x
    x = 427,505,783.58/25,825.80
  6. Step 6: Final answer
    x = 16,553.44

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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.