Home / 19,687.68-29,536.44-6,540.24

Finding the Fourth Proportional to 19,687.68, 29,536.44 and 6,540.24

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Solution

The fourth proportional to 19,687.68, 29,536.44 and 6,540.24 is: 9,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.68 : 29,536.44 = 6,540.24 : x
  2. Step 2: Convert to fraction form
    19,687.68/29,536.44 = 6,540.24/x
  3. Step 3: Cross multiply
    19,687.68x = 29,536.44 × 6,540.24
  4. Step 4: Simplify right side
    19,687.68x = 193,175,406.35
  5. Step 5: Solve for x
    x = 193,175,406.35/19,687.68
  6. Step 6: Final answer
    x = 9,811.99

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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.