Home / 26,640.45-39,940.47-16,107.98

Finding the Fourth Proportional to 26,640.45, 39,940.47 and 16,107.98

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Solution

The fourth proportional to 26,640.45, 39,940.47 and 16,107.98 is: 24,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.45 : 39,940.47 = 16,107.98 : x
  2. Step 2: Convert to fraction form
    26,640.45/39,940.47 = 16,107.98/x
  3. Step 3: Cross multiply
    26,640.45x = 39,940.47 × 16,107.98
  4. Step 4: Simplify right side
    26,640.45x = 643,360,092.25
  5. Step 5: Solve for x
    x = 643,360,092.25/26,640.45
  6. Step 6: Final answer
    x = 24,149.75

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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.