Home / 16,772.39-23,146.29-9,218.66

Finding the Fourth Proportional to 16,772.39, 23,146.29 and 9,218.66

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Solution

The fourth proportional to 16,772.39, 23,146.29 and 9,218.66 is: 12,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,772.39 : 23,146.29 = 9,218.66 : x
  2. Step 2: Convert to fraction form
    16,772.39/23,146.29 = 9,218.66/x
  3. Step 3: Cross multiply
    16,772.39x = 23,146.29 × 9,218.66
  4. Step 4: Simplify right side
    16,772.39x = 213,377,777.77
  5. Step 5: Solve for x
    x = 213,377,777.77/16,772.39
  6. Step 6: Final answer
    x = 12,721.97

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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.