Home / 20,655.06-30,982.52-5,863.99

Finding the Fourth Proportional to 20,655.06, 30,982.52 and 5,863.99

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Solution

The fourth proportional to 20,655.06, 30,982.52 and 5,863.99 is: 8,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655.06 : 30,982.52 = 5,863.99 : x
  2. Step 2: Convert to fraction form
    20,655.06/30,982.52 = 5,863.99/x
  3. Step 3: Cross multiply
    20,655.06x = 30,982.52 × 5,863.99
  4. Step 4: Simplify right side
    20,655.06x = 181,681,003.22
  5. Step 5: Solve for x
    x = 181,681,003.22/20,655.06
  6. Step 6: Final answer
    x = 8,795.96

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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.