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Finding the Fourth Proportional to 13,336.05, 20,004.08 and 12,524.13

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Solution

The fourth proportional to 13,336.05, 20,004.08 and 12,524.13 is: 18,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.05 : 20,004.08 = 12,524.13 : x
  2. Step 2: Convert to fraction form
    13,336.05/20,004.08 = 12,524.13/x
  3. Step 3: Cross multiply
    13,336.05x = 20,004.08 × 12,524.13
  4. Step 4: Simplify right side
    13,336.05x = 250,533,635.83
  5. Step 5: Solve for x
    x = 250,533,635.83/13,336.05
  6. Step 6: Final answer
    x = 18,786.20

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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.