Home / 21,649.07-32,473.25-6,857.96

Finding the Fourth Proportional to 21,649.07, 32,473.25 and 6,857.96

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Solution

The fourth proportional to 21,649.07, 32,473.25 and 6,857.96 is: 10,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649.07 : 32,473.25 = 6,857.96 : x
  2. Step 2: Convert to fraction form
    21,649.07/32,473.25 = 6,857.96/x
  3. Step 3: Cross multiply
    21,649.07x = 32,473.25 × 6,857.96
  4. Step 4: Simplify right side
    21,649.07x = 222,700,249.57
  5. Step 5: Solve for x
    x = 222,700,249.57/21,649.07
  6. Step 6: Final answer
    x = 10,286.83

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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.