Home / 16,455.15-24,627.44-13,687.38

Finding the Fourth Proportional to 16,455.15, 24,627.44 and 13,687.38

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Solution

The fourth proportional to 16,455.15, 24,627.44 and 13,687.38 is: 20,485.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.15 : 24,627.44 = 13,687.38 : x
  2. Step 2: Convert to fraction form
    16,455.15/24,627.44 = 13,687.38/x
  3. Step 3: Cross multiply
    16,455.15x = 24,627.44 × 13,687.38
  4. Step 4: Simplify right side
    16,455.15x = 337,085,163.93
  5. Step 5: Solve for x
    x = 337,085,163.93/16,455.15
  6. Step 6: Final answer
    x = 20,485.09

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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.