Home / 25,163.70-37,767.15-11,145.30

Finding the Fourth Proportional to 25,163.70, 37,767.15 and 11,145.30

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Solution

The fourth proportional to 25,163.70, 37,767.15 and 11,145.30 is: 16,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.70 : 37,767.15 = 11,145.30 : x
  2. Step 2: Convert to fraction form
    25,163.70/37,767.15 = 11,145.30/x
  3. Step 3: Cross multiply
    25,163.70x = 37,767.15 × 11,145.30
  4. Step 4: Simplify right side
    25,163.70x = 420,926,216.90
  5. Step 5: Solve for x
    x = 420,926,216.90/25,163.70
  6. Step 6: Final answer
    x = 16,727.52

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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.