Home / 13,992.42-20,923.83-10,836.66

Finding the Fourth Proportional to 13,992.42, 20,923.83 and 10,836.66

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Solution

The fourth proportional to 13,992.42, 20,923.83 and 10,836.66 is: 16,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.42 : 20,923.83 = 10,836.66 : x
  2. Step 2: Convert to fraction form
    13,992.42/20,923.83 = 10,836.66/x
  3. Step 3: Cross multiply
    13,992.42x = 20,923.83 × 10,836.66
  4. Step 4: Simplify right side
    13,992.42x = 226,744,431.61
  5. Step 5: Solve for x
    x = 226,744,431.61/13,992.42
  6. Step 6: Final answer
    x = 16,204.80

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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.