Home / 19,179.33-28,731.32-17,089.53

Finding the Fourth Proportional to 19,179.33, 28,731.32 and 17,089.53

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Solution

The fourth proportional to 19,179.33, 28,731.32 and 17,089.53 is: 25,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.33 : 28,731.32 = 17,089.53 : x
  2. Step 2: Convert to fraction form
    19,179.33/28,731.32 = 17,089.53/x
  3. Step 3: Cross multiply
    19,179.33x = 28,731.32 × 17,089.53
  4. Step 4: Simplify right side
    19,179.33x = 491,004,611.42
  5. Step 5: Solve for x
    x = 491,004,611.42/19,179.33
  6. Step 6: Final answer
    x = 25,600.72

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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.