Home / 20,382.29-30,577.77-6,341.97

Finding the Fourth Proportional to 20,382.29, 30,577.77 and 6,341.97

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Solution

The fourth proportional to 20,382.29, 30,577.77 and 6,341.97 is: 9,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.29 : 30,577.77 = 6,341.97 : x
  2. Step 2: Convert to fraction form
    20,382.29/30,577.77 = 6,341.97/x
  3. Step 3: Cross multiply
    20,382.29x = 30,577.77 × 6,341.97
  4. Step 4: Simplify right side
    20,382.29x = 193,923,300.01
  5. Step 5: Solve for x
    x = 193,923,300.01/20,382.29
  6. Step 6: Final answer
    x = 9,514.31

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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.