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Finding the Fourth Proportional to 12,433.92, 18,663.12 and 10,367.16

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Solution

The fourth proportional to 12,433.92, 18,663.12 and 10,367.16 is: 15,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.92 : 18,663.12 = 10,367.16 : x
  2. Step 2: Convert to fraction form
    12,433.92/18,663.12 = 10,367.16/x
  3. Step 3: Cross multiply
    12,433.92x = 18,663.12 × 10,367.16
  4. Step 4: Simplify right side
    12,433.92x = 193,483,551.14
  5. Step 5: Solve for x
    x = 193,483,551.14/12,433.92
  6. Step 6: Final answer
    x = 15,560.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.