Home / 13,883.52-20,822.94-5,983.86

Finding the Fourth Proportional to 13,883.52, 20,822.94 and 5,983.86

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Solution

The fourth proportional to 13,883.52, 20,822.94 and 5,983.86 is: 8,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.52 : 20,822.94 = 5,983.86 : x
  2. Step 2: Convert to fraction form
    13,883.52/20,822.94 = 5,983.86/x
  3. Step 3: Cross multiply
    13,883.52x = 20,822.94 × 5,983.86
  4. Step 4: Simplify right side
    13,883.52x = 124,601,557.75
  5. Step 5: Solve for x
    x = 124,601,557.75/13,883.52
  6. Step 6: Final answer
    x = 8,974.78

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1.5x scale

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.