Home / 13,896.75-20,847.29-4,664.91

Finding the Fourth Proportional to 13,896.75, 20,847.29 and 4,664.91

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Solution

The fourth proportional to 13,896.75, 20,847.29 and 4,664.91 is: 6,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.75 : 20,847.29 = 4,664.91 : x
  2. Step 2: Convert to fraction form
    13,896.75/20,847.29 = 4,664.91/x
  3. Step 3: Cross multiply
    13,896.75x = 20,847.29 × 4,664.91
  4. Step 4: Simplify right side
    13,896.75x = 97,250,708.27
  5. Step 5: Solve for x
    x = 97,250,708.27/13,896.75
  6. Step 6: Final answer
    x = 6,998.09

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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.