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Finding the Fourth Proportional to 18,151.71, 25,048.69 and 10,194.27

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Solution

The fourth proportional to 18,151.71, 25,048.69 and 10,194.27 is: 14,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.71 : 25,048.69 = 10,194.27 : x
  2. Step 2: Convert to fraction form
    18,151.71/25,048.69 = 10,194.27/x
  3. Step 3: Cross multiply
    18,151.71x = 25,048.69 × 10,194.27
  4. Step 4: Simplify right side
    18,151.71x = 255,353,109.01
  5. Step 5: Solve for x
    x = 255,353,109.01/18,151.71
  6. Step 6: Final answer
    x = 14,067.72

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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.