Home / 18,241.77-27,342.60-7,146.39

Finding the Fourth Proportional to 18,241.77, 27,342.60 and 7,146.39

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Solution

The fourth proportional to 18,241.77, 27,342.60 and 7,146.39 is: 10,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.77 : 27,342.60 = 7,146.39 : x
  2. Step 2: Convert to fraction form
    18,241.77/27,342.60 = 7,146.39/x
  3. Step 3: Cross multiply
    18,241.77x = 27,342.60 × 7,146.39
  4. Step 4: Simplify right side
    18,241.77x = 195,400,883.21
  5. Step 5: Solve for x
    x = 195,400,883.21/18,241.77
  6. Step 6: Final answer
    x = 10,711.73

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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.