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Finding the Fourth Proportional to 17,682.66, 24,412.19 and 11,722.41

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Solution

The fourth proportional to 17,682.66, 24,412.19 and 11,722.41 is: 16,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.66 : 24,412.19 = 11,722.41 : x
  2. Step 2: Convert to fraction form
    17,682.66/24,412.19 = 11,722.41/x
  3. Step 3: Cross multiply
    17,682.66x = 24,412.19 × 11,722.41
  4. Step 4: Simplify right side
    17,682.66x = 286,169,641.57
  5. Step 5: Solve for x
    x = 286,169,641.57/17,682.66
  6. Step 6: Final answer
    x = 16,183.63

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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.