Home / 18,736.35-28,103.84-4,696.48

Finding the Fourth Proportional to 18,736.35, 28,103.84 and 4,696.48

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Solution

The fourth proportional to 18,736.35, 28,103.84 and 4,696.48 is: 7,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.35 : 28,103.84 = 4,696.48 : x
  2. Step 2: Convert to fraction form
    18,736.35/28,103.84 = 4,696.48/x
  3. Step 3: Cross multiply
    18,736.35x = 28,103.84 × 4,696.48
  4. Step 4: Simplify right side
    18,736.35x = 131,989,122.48
  5. Step 5: Solve for x
    x = 131,989,122.48/18,736.35
  6. Step 6: Final answer
    x = 7,044.55

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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.