Home / 12,566.39-18,843.77-11,581.43

Finding the Fourth Proportional to 12,566.39, 18,843.77 and 11,581.43

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Solution

The fourth proportional to 12,566.39, 18,843.77 and 11,581.43 is: 17,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.39 : 18,843.77 = 11,581.43 : x
  2. Step 2: Convert to fraction form
    12,566.39/18,843.77 = 11,581.43/x
  3. Step 3: Cross multiply
    12,566.39x = 18,843.77 × 11,581.43
  4. Step 4: Simplify right side
    12,566.39x = 218,237,737.93
  5. Step 5: Solve for x
    x = 218,237,737.93/12,566.39
  6. Step 6: Final answer
    x = 17,366.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.