Home / 16,811.91-23,195.20-9,542.79

Finding the Fourth Proportional to 16,811.91, 23,195.20 and 9,542.79

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Solution

The fourth proportional to 16,811.91, 23,195.20 and 9,542.79 is: 13,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.91 : 23,195.20 = 9,542.79 : x
  2. Step 2: Convert to fraction form
    16,811.91/23,195.20 = 9,542.79/x
  3. Step 3: Cross multiply
    16,811.91x = 23,195.20 × 9,542.79
  4. Step 4: Simplify right side
    16,811.91x = 221,346,922.61
  5. Step 5: Solve for x
    x = 221,346,922.61/16,811.91
  6. Step 6: Final answer
    x = 13,166.08

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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.