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Finding the Fourth Proportional to 18,163, 25,066.98 and 10,996.87

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Solution

The fourth proportional to 18,163, 25,066.98 and 10,996.87 is: 15,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163 : 25,066.98 = 10,996.87 : x
  2. Step 2: Convert to fraction form
    18,163/25,066.98 = 10,996.87/x
  3. Step 3: Cross multiply
    18,163x = 25,066.98 × 10,996.87
  4. Step 4: Simplify right side
    18,163x = 275,658,320.35
  5. Step 5: Solve for x
    x = 275,658,320.35/18,163
  6. Step 6: Final answer
    x = 15,176.92

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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.