Home / 19,328.44-28,934.31-17,480.43

Finding the Fourth Proportional to 19,328.44, 28,934.31 and 17,480.43

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Solution

The fourth proportional to 19,328.44, 28,934.31 and 17,480.43 is: 26,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,328.44 : 28,934.31 = 17,480.43 : x
  2. Step 2: Convert to fraction form
    19,328.44/28,934.31 = 17,480.43/x
  3. Step 3: Cross multiply
    19,328.44x = 28,934.31 × 17,480.43
  4. Step 4: Simplify right side
    19,328.44x = 505,784,180.55
  5. Step 5: Solve for x
    x = 505,784,180.55/19,328.44
  6. Step 6: Final answer
    x = 26,167.87

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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.