Home / 13,904.82-20,857.22-5,584.83

Finding the Fourth Proportional to 13,904.82, 20,857.22 and 5,584.83

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Solution

The fourth proportional to 13,904.82, 20,857.22 and 5,584.83 is: 8,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.82 : 20,857.22 = 5,584.83 : x
  2. Step 2: Convert to fraction form
    13,904.82/20,857.22 = 5,584.83/x
  3. Step 3: Cross multiply
    13,904.82x = 20,857.22 × 5,584.83
  4. Step 4: Simplify right side
    13,904.82x = 116,484,027.97
  5. Step 5: Solve for x
    x = 116,484,027.97/13,904.82
  6. Step 6: Final answer
    x = 8,377.24

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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.