Home / 18,853.97-28,292.87-10,539.44

Finding the Fourth Proportional to 18,853.97, 28,292.87 and 10,539.44

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Solution

The fourth proportional to 18,853.97, 28,292.87 and 10,539.44 is: 15,815.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.97 : 28,292.87 = 10,539.44 : x
  2. Step 2: Convert to fraction form
    18,853.97/28,292.87 = 10,539.44/x
  3. Step 3: Cross multiply
    18,853.97x = 28,292.87 × 10,539.44
  4. Step 4: Simplify right side
    18,853.97x = 298,190,957.25
  5. Step 5: Solve for x
    x = 298,190,957.25/18,853.97
  6. Step 6: Final answer
    x = 15,815.82

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1.5x scale

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.