Home / 16,843.73-23,243.81-9,290.39

Finding the Fourth Proportional to 16,843.73, 23,243.81 and 9,290.39

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Solution

The fourth proportional to 16,843.73, 23,243.81 and 9,290.39 is: 12,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.73 : 23,243.81 = 9,290.39 : x
  2. Step 2: Convert to fraction form
    16,843.73/23,243.81 = 9,290.39/x
  3. Step 3: Cross multiply
    16,843.73x = 23,243.81 × 9,290.39
  4. Step 4: Simplify right side
    16,843.73x = 215,944,059.99
  5. Step 5: Solve for x
    x = 215,944,059.99/16,843.73
  6. Step 6: Final answer
    x = 12,820.44

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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.