Home / 13,727.96-20,593.72-4,961.68

Finding the Fourth Proportional to 13,727.96, 20,593.72 and 4,961.68

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Solution

The fourth proportional to 13,727.96, 20,593.72 and 4,961.68 is: 7,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.96 : 20,593.72 = 4,961.68 : x
  2. Step 2: Convert to fraction form
    13,727.96/20,593.72 = 4,961.68/x
  3. Step 3: Cross multiply
    13,727.96x = 20,593.72 × 4,961.68
  4. Step 4: Simplify right side
    13,727.96x = 102,179,448.65
  5. Step 5: Solve for x
    x = 102,179,448.65/13,727.96
  6. Step 6: Final answer
    x = 7,443.16

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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.