Home / 19,184.53-28,767.14-11,181.87

Finding the Fourth Proportional to 19,184.53, 28,767.14 and 11,181.87

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Solution

The fourth proportional to 19,184.53, 28,767.14 and 11,181.87 is: 16,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.53 : 28,767.14 = 11,181.87 : x
  2. Step 2: Convert to fraction form
    19,184.53/28,767.14 = 11,181.87/x
  3. Step 3: Cross multiply
    19,184.53x = 28,767.14 × 11,181.87
  4. Step 4: Simplify right side
    19,184.53x = 321,670,375.79
  5. Step 5: Solve for x
    x = 321,670,375.79/19,184.53
  6. Step 6: Final answer
    x = 16,767.18

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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.