Home / 17,721.96-24,446.88-11,671.24

Finding the Fourth Proportional to 17,721.96, 24,446.88 and 11,671.24

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Solution

The fourth proportional to 17,721.96, 24,446.88 and 11,671.24 is: 16,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.96 : 24,446.88 = 11,671.24 : x
  2. Step 2: Convert to fraction form
    17,721.96/24,446.88 = 11,671.24/x
  3. Step 3: Cross multiply
    17,721.96x = 24,446.88 × 11,671.24
  4. Step 4: Simplify right side
    17,721.96x = 285,325,403.73
  5. Step 5: Solve for x
    x = 285,325,403.73/17,721.96
  6. Step 6: Final answer
    x = 16,100.10

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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.