Home / 26,601.72-39,902.94-12,747.48

Finding the Fourth Proportional to 26,601.72, 39,902.94 and 12,747.48

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Solution

The fourth proportional to 26,601.72, 39,902.94 and 12,747.48 is: 19,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.72 : 39,902.94 = 12,747.48 : x
  2. Step 2: Convert to fraction form
    26,601.72/39,902.94 = 12,747.48/x
  3. Step 3: Cross multiply
    26,601.72x = 39,902.94 × 12,747.48
  4. Step 4: Simplify right side
    26,601.72x = 508,661,929.59
  5. Step 5: Solve for x
    x = 508,661,929.59/26,601.72
  6. Step 6: Final answer
    x = 19,121.39

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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.