Home / 27,186.96-40,780.44-7,465.62

Finding the Fourth Proportional to 27,186.96, 40,780.44 and 7,465.62

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Solution

The fourth proportional to 27,186.96, 40,780.44 and 7,465.62 is: 11,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.96 : 40,780.44 = 7,465.62 : x
  2. Step 2: Convert to fraction form
    27,186.96/40,780.44 = 7,465.62/x
  3. Step 3: Cross multiply
    27,186.96x = 40,780.44 × 7,465.62
  4. Step 4: Simplify right side
    27,186.96x = 304,451,268.47
  5. Step 5: Solve for x
    x = 304,451,268.47/27,186.96
  6. Step 6: Final answer
    x = 11,198.43

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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.