Home / 16,190.82-22,344.12-9,117.77

Finding the Fourth Proportional to 16,190.82, 22,344.12 and 9,117.77

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Solution

The fourth proportional to 16,190.82, 22,344.12 and 9,117.77 is: 12,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190.82 : 22,344.12 = 9,117.77 : x
  2. Step 2: Convert to fraction form
    16,190.82/22,344.12 = 9,117.77/x
  3. Step 3: Cross multiply
    16,190.82x = 22,344.12 × 9,117.77
  4. Step 4: Simplify right side
    16,190.82x = 203,728,435.29
  5. Step 5: Solve for x
    x = 203,728,435.29/16,190.82
  6. Step 6: Final answer
    x = 12,582.96

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Double scale
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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.