Home / 13,682.13-20,525.96-4,917.75

Finding the Fourth Proportional to 13,682.13, 20,525.96 and 4,917.75

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Solution

The fourth proportional to 13,682.13, 20,525.96 and 4,917.75 is: 7,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.13 : 20,525.96 = 4,917.75 : x
  2. Step 2: Convert to fraction form
    13,682.13/20,525.96 = 4,917.75/x
  3. Step 3: Cross multiply
    13,682.13x = 20,525.96 × 4,917.75
  4. Step 4: Simplify right side
    13,682.13x = 100,941,539.79
  5. Step 5: Solve for x
    x = 100,941,539.79/13,682.13
  6. Step 6: Final answer
    x = 7,377.62

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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.