Home / 19,245.67-28,873.13-9,382.70

Finding the Fourth Proportional to 19,245.67, 28,873.13 and 9,382.70

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Solution

The fourth proportional to 19,245.67, 28,873.13 and 9,382.70 is: 14,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.67 : 28,873.13 = 9,382.70 : x
  2. Step 2: Convert to fraction form
    19,245.67/28,873.13 = 9,382.70/x
  3. Step 3: Cross multiply
    19,245.67x = 28,873.13 × 9,382.70
  4. Step 4: Simplify right side
    19,245.67x = 270,907,942.12
  5. Step 5: Solve for x
    x = 270,907,942.12/19,245.67
  6. Step 6: Final answer
    x = 14,076.31

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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.