Home / 16,935.80-23,359.74-11,910.56

Finding the Fourth Proportional to 16,935.80, 23,359.74 and 11,910.56

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Solution

The fourth proportional to 16,935.80, 23,359.74 and 11,910.56 is: 16,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.80 : 23,359.74 = 11,910.56 : x
  2. Step 2: Convert to fraction form
    16,935.80/23,359.74 = 11,910.56/x
  3. Step 3: Cross multiply
    16,935.80x = 23,359.74 × 11,910.56
  4. Step 4: Simplify right side
    16,935.80x = 278,227,584.85
  5. Step 5: Solve for x
    x = 278,227,584.85/16,935.80
  6. Step 6: Final answer
    x = 16,428.37

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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.