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Finding the Fourth Proportional to 18,187.92, 25,101.36 and 10,232.10

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Solution

The fourth proportional to 18,187.92, 25,101.36 and 10,232.10 is: 14,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.92 : 25,101.36 = 10,232.10 : x
  2. Step 2: Convert to fraction form
    18,187.92/25,101.36 = 10,232.10/x
  3. Step 3: Cross multiply
    18,187.92x = 25,101.36 × 10,232.10
  4. Step 4: Simplify right side
    18,187.92x = 256,839,625.66
  5. Step 5: Solve for x
    x = 256,839,625.66/18,187.92
  6. Step 6: Final answer
    x = 14,121.44

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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.