Home / 15,845.70-21,843.77-12,062.27

Finding the Fourth Proportional to 15,845.70, 21,843.77 and 12,062.27

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Solution

The fourth proportional to 15,845.70, 21,843.77 and 12,062.27 is: 16,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.70 : 21,843.77 = 12,062.27 : x
  2. Step 2: Convert to fraction form
    15,845.70/21,843.77 = 12,062.27/x
  3. Step 3: Cross multiply
    15,845.70x = 21,843.77 × 12,062.27
  4. Step 4: Simplify right side
    15,845.70x = 263,485,451.56
  5. Step 5: Solve for x
    x = 263,485,451.56/15,845.70
  6. Step 6: Final answer
    x = 16,628.20

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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.