Home / 16,840.69-23,239.73-9,286.83

Finding the Fourth Proportional to 16,840.69, 23,239.73 and 9,286.83

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Solution

The fourth proportional to 16,840.69, 23,239.73 and 9,286.83 is: 12,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.69 : 23,239.73 = 9,286.83 : x
  2. Step 2: Convert to fraction form
    16,840.69/23,239.73 = 9,286.83/x
  3. Step 3: Cross multiply
    16,840.69x = 23,239.73 × 9,286.83
  4. Step 4: Simplify right side
    16,840.69x = 215,823,444.97
  5. Step 5: Solve for x
    x = 215,823,444.97/16,840.69
  6. Step 6: Final answer
    x = 12,815.60

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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.