Home / 18,736.40-28,104.39-4,696.26

Finding the Fourth Proportional to 18,736.40, 28,104.39 and 4,696.26

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Solution

The fourth proportional to 18,736.40, 28,104.39 and 4,696.26 is: 7,044.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.40 : 28,104.39 = 4,696.26 : x
  2. Step 2: Convert to fraction form
    18,736.40/28,104.39 = 4,696.26/x
  3. Step 3: Cross multiply
    18,736.40x = 28,104.39 × 4,696.26
  4. Step 4: Simplify right side
    18,736.40x = 131,985,522.58
  5. Step 5: Solve for x
    x = 131,985,522.58/18,736.40
  6. Step 6: Final answer
    x = 7,044.34

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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.