Home / 16,777.11-23,151.52-9,221.99

Finding the Fourth Proportional to 16,777.11, 23,151.52 and 9,221.99

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Solution

The fourth proportional to 16,777.11, 23,151.52 and 9,221.99 is: 12,725.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,777.11 : 23,151.52 = 9,221.99 : x
  2. Step 2: Convert to fraction form
    16,777.11/23,151.52 = 9,221.99/x
  3. Step 3: Cross multiply
    16,777.11x = 23,151.52 × 9,221.99
  4. Step 4: Simplify right side
    16,777.11x = 213,503,046.81
  5. Step 5: Solve for x
    x = 213,503,046.81/16,777.11
  6. Step 6: Final answer
    x = 12,725.85

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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.