Home / 18,194.27-25,107.92-10,127.80

Finding the Fourth Proportional to 18,194.27, 25,107.92 and 10,127.80

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Solution

The fourth proportional to 18,194.27, 25,107.92 and 10,127.80 is: 13,976.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194.27 : 25,107.92 = 10,127.80 : x
  2. Step 2: Convert to fraction form
    18,194.27/25,107.92 = 10,127.80/x
  3. Step 3: Cross multiply
    18,194.27x = 25,107.92 × 10,127.80
  4. Step 4: Simplify right side
    18,194.27x = 254,287,992.18
  5. Step 5: Solve for x
    x = 254,287,992.18/18,194.27
  6. Step 6: Final answer
    x = 13,976.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.