Home / 20,562.17-30,845.19-5,771.02

Finding the Fourth Proportional to 20,562.17, 30,845.19 and 5,771.02

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Solution

The fourth proportional to 20,562.17, 30,845.19 and 5,771.02 is: 8,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.17 : 30,845.19 = 5,771.02 : x
  2. Step 2: Convert to fraction form
    20,562.17/30,845.19 = 5,771.02/x
  3. Step 3: Cross multiply
    20,562.17x = 30,845.19 × 5,771.02
  4. Step 4: Simplify right side
    20,562.17x = 178,008,179.54
  5. Step 5: Solve for x
    x = 178,008,179.54/20,562.17
  6. Step 6: Final answer
    x = 8,657.07

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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.