Home / 16,934.80-23,358.36-11,909.56

Finding the Fourth Proportional to 16,934.80, 23,358.36 and 11,909.56

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Solution

The fourth proportional to 16,934.80, 23,358.36 and 11,909.56 is: 16,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.80 : 23,358.36 = 11,909.56 : x
  2. Step 2: Convert to fraction form
    16,934.80/23,358.36 = 11,909.56/x
  3. Step 3: Cross multiply
    16,934.80x = 23,358.36 × 11,909.56
  4. Step 4: Simplify right side
    16,934.80x = 278,187,789.92
  5. Step 5: Solve for x
    x = 278,187,789.92/16,934.80
  6. Step 6: Final answer
    x = 16,426.99

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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.