Home / 20,727.55-31,093.60-5,938.86

Finding the Fourth Proportional to 20,727.55, 31,093.60 and 5,938.86

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Solution

The fourth proportional to 20,727.55, 31,093.60 and 5,938.86 is: 8,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.55 : 31,093.60 = 5,938.86 : x
  2. Step 2: Convert to fraction form
    20,727.55/31,093.60 = 5,938.86/x
  3. Step 3: Cross multiply
    20,727.55x = 31,093.60 × 5,938.86
  4. Step 4: Simplify right side
    20,727.55x = 184,660,537.30
  5. Step 5: Solve for x
    x = 184,660,537.30/20,727.55
  6. Step 6: Final answer
    x = 8,908.94

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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.