Home / 17,001.53-25,515.17-12,255.41

Finding the Fourth Proportional to 17,001.53, 25,515.17 and 12,255.41

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Solution

The fourth proportional to 17,001.53, 25,515.17 and 12,255.41 is: 18,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.53 : 25,515.17 = 12,255.41 : x
  2. Step 2: Convert to fraction form
    17,001.53/25,515.17 = 12,255.41/x
  3. Step 3: Cross multiply
    17,001.53x = 25,515.17 × 12,255.41
  4. Step 4: Simplify right side
    17,001.53x = 312,698,680.72
  5. Step 5: Solve for x
    x = 312,698,680.72/17,001.53
  6. Step 6: Final answer
    x = 18,392.39

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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.