Home / 18,735.09-28,101.96-4,695.23

Finding the Fourth Proportional to 18,735.09, 28,101.96 and 4,695.23

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Solution

The fourth proportional to 18,735.09, 28,101.96 and 4,695.23 is: 7,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.09 : 28,101.96 = 4,695.23 : x
  2. Step 2: Convert to fraction form
    18,735.09/28,101.96 = 4,695.23/x
  3. Step 3: Cross multiply
    18,735.09x = 28,101.96 × 4,695.23
  4. Step 4: Simplify right side
    18,735.09x = 131,945,165.65
  5. Step 5: Solve for x
    x = 131,945,165.65/18,735.09
  6. Step 6: Final answer
    x = 7,042.68

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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.