Home / 17,940.96-26,780.28-16,640.04

Finding the Fourth Proportional to 17,940.96, 26,780.28 and 16,640.04

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Solution

The fourth proportional to 17,940.96, 26,780.28 and 16,640.04 is: 24,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.96 : 26,780.28 = 16,640.04 : x
  2. Step 2: Convert to fraction form
    17,940.96/26,780.28 = 16,640.04/x
  3. Step 3: Cross multiply
    17,940.96x = 26,780.28 × 16,640.04
  4. Step 4: Simplify right side
    17,940.96x = 445,624,930.41
  5. Step 5: Solve for x
    x = 445,624,930.41/17,940.96
  6. Step 6: Final answer
    x = 24,838.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.