Home / 16,438.48-24,620.82-15,884.90

Finding the Fourth Proportional to 16,438.48, 24,620.82 and 15,884.90

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Solution

The fourth proportional to 16,438.48, 24,620.82 and 15,884.90 is: 23,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.48 : 24,620.82 = 15,884.90 : x
  2. Step 2: Convert to fraction form
    16,438.48/24,620.82 = 15,884.90/x
  3. Step 3: Cross multiply
    16,438.48x = 24,620.82 × 15,884.90
  4. Step 4: Simplify right side
    16,438.48x = 391,099,263.62
  5. Step 5: Solve for x
    x = 391,099,263.62/16,438.48
  6. Step 6: Final answer
    x = 23,791.69

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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.