Home / 20,724.86-31,092.66-5,934.87

Finding the Fourth Proportional to 20,724.86, 31,092.66 and 5,934.87

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Solution

The fourth proportional to 20,724.86, 31,092.66 and 5,934.87 is: 8,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.86 : 31,092.66 = 5,934.87 : x
  2. Step 2: Convert to fraction form
    20,724.86/31,092.66 = 5,934.87/x
  3. Step 3: Cross multiply
    20,724.86x = 31,092.66 × 5,934.87
  4. Step 4: Simplify right side
    20,724.86x = 184,530,895.05
  5. Step 5: Solve for x
    x = 184,530,895.05/20,724.86
  6. Step 6: Final answer
    x = 8,903.84

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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.