Home / 22,393.86-33,579.44-12,530.49

Finding the Fourth Proportional to 22,393.86, 33,579.44 and 12,530.49

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Solution

The fourth proportional to 22,393.86, 33,579.44 and 12,530.49 is: 18,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.86 : 33,579.44 = 12,530.49 : x
  2. Step 2: Convert to fraction form
    22,393.86/33,579.44 = 12,530.49/x
  3. Step 3: Cross multiply
    22,393.86x = 33,579.44 × 12,530.49
  4. Step 4: Simplify right side
    22,393.86x = 420,766,837.13
  5. Step 5: Solve for x
    x = 420,766,837.13/22,393.86
  6. Step 6: Final answer
    x = 18,789.38

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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.