Home / 26,609.72-39,914.94-12,755.48

Finding the Fourth Proportional to 26,609.72, 39,914.94 and 12,755.48

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Solution

The fourth proportional to 26,609.72, 39,914.94 and 12,755.48 is: 19,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,609.72 : 39,914.94 = 12,755.48 : x
  2. Step 2: Convert to fraction form
    26,609.72/39,914.94 = 12,755.48/x
  3. Step 3: Cross multiply
    26,609.72x = 39,914.94 × 12,755.48
  4. Step 4: Simplify right side
    26,609.72x = 509,134,218.87
  5. Step 5: Solve for x
    x = 509,134,218.87/26,609.72
  6. Step 6: Final answer
    x = 19,133.39

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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.