Home / 20,583.26-30,863.22-6,540.56

Finding the Fourth Proportional to 20,583.26, 30,863.22 and 6,540.56

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Solution

The fourth proportional to 20,583.26, 30,863.22 and 6,540.56 is: 9,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.26 : 30,863.22 = 6,540.56 : x
  2. Step 2: Convert to fraction form
    20,583.26/30,863.22 = 6,540.56/x
  3. Step 3: Cross multiply
    20,583.26x = 30,863.22 × 6,540.56
  4. Step 4: Simplify right side
    20,583.26x = 201,862,742.20
  5. Step 5: Solve for x
    x = 201,862,742.20/20,583.26
  6. Step 6: Final answer
    x = 9,807.13

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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.