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Finding the Fourth Proportional to 18,197.44, 25,111.12 and 10,238.12

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Solution

The fourth proportional to 18,197.44, 25,111.12 and 10,238.12 is: 14,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.44 : 25,111.12 = 10,238.12 : x
  2. Step 2: Convert to fraction form
    18,197.44/25,111.12 = 10,238.12/x
  3. Step 3: Cross multiply
    18,197.44x = 25,111.12 × 10,238.12
  4. Step 4: Simplify right side
    18,197.44x = 257,090,659.89
  5. Step 5: Solve for x
    x = 257,090,659.89/18,197.44
  6. Step 6: Final answer
    x = 14,127.85

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Half scale
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Double scale
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Similar ratio
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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.