Home / 12,145.52-16,651.57-11,924.12

Finding the Fourth Proportional to 12,145.52, 16,651.57 and 11,924.12

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Solution

The fourth proportional to 12,145.52, 16,651.57 and 11,924.12 is: 16,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145.52 : 16,651.57 = 11,924.12 : x
  2. Step 2: Convert to fraction form
    12,145.52/16,651.57 = 11,924.12/x
  3. Step 3: Cross multiply
    12,145.52x = 16,651.57 × 11,924.12
  4. Step 4: Simplify right side
    12,145.52x = 198,555,318.87
  5. Step 5: Solve for x
    x = 198,555,318.87/12,145.52
  6. Step 6: Final answer
    x = 16,348.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.