Home / 16,813.45-25,149.93-11,815.48

Finding the Fourth Proportional to 16,813.45, 25,149.93 and 11,815.48

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Solution

The fourth proportional to 16,813.45, 25,149.93 and 11,815.48 is: 17,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.45 : 25,149.93 = 11,815.48 : x
  2. Step 2: Convert to fraction form
    16,813.45/25,149.93 = 11,815.48/x
  3. Step 3: Cross multiply
    16,813.45x = 25,149.93 × 11,815.48
  4. Step 4: Simplify right side
    16,813.45x = 297,158,494.92
  5. Step 5: Solve for x
    x = 297,158,494.92/16,813.45
  6. Step 6: Final answer
    x = 17,673.86

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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.