Home / 16,911.61-23,343.78-9,843.97

Finding the Fourth Proportional to 16,911.61, 23,343.78 and 9,843.97

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Solution

The fourth proportional to 16,911.61, 23,343.78 and 9,843.97 is: 13,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.61 : 23,343.78 = 9,843.97 : x
  2. Step 2: Convert to fraction form
    16,911.61/23,343.78 = 9,843.97/x
  3. Step 3: Cross multiply
    16,911.61x = 23,343.78 × 9,843.97
  4. Step 4: Simplify right side
    16,911.61x = 229,795,470.01
  5. Step 5: Solve for x
    x = 229,795,470.01/16,911.61
  6. Step 6: Final answer
    x = 13,588.03

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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.