Home / 18,736.85-28,104.59-4,696.98

Finding the Fourth Proportional to 18,736.85, 28,104.59 and 4,696.98

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Solution

The fourth proportional to 18,736.85, 28,104.59 and 4,696.98 is: 7,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.85 : 28,104.59 = 4,696.98 : x
  2. Step 2: Convert to fraction form
    18,736.85/28,104.59 = 4,696.98/x
  3. Step 3: Cross multiply
    18,736.85x = 28,104.59 × 4,696.98
  4. Step 4: Simplify right side
    18,736.85x = 132,006,673.65
  5. Step 5: Solve for x
    x = 132,006,673.65/18,736.85
  6. Step 6: Final answer
    x = 7,045.30

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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.