Home / 20,359.96-30,538.77-12,092.49

Finding the Fourth Proportional to 20,359.96, 30,538.77 and 12,092.49

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Solution

The fourth proportional to 20,359.96, 30,538.77 and 12,092.49 is: 18,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.96 : 30,538.77 = 12,092.49 : x
  2. Step 2: Convert to fraction form
    20,359.96/30,538.77 = 12,092.49/x
  3. Step 3: Cross multiply
    20,359.96x = 30,538.77 × 12,092.49
  4. Step 4: Simplify right side
    20,359.96x = 369,289,770.84
  5. Step 5: Solve for x
    x = 369,289,770.84/20,359.96
  6. Step 6: Final answer
    x = 18,138.04

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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.