Home / 26,436.43-39,620.44-20,173.33

Finding the Fourth Proportional to 26,436.43, 39,620.44 and 20,173.33

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Solution

The fourth proportional to 26,436.43, 39,620.44 and 20,173.33 is: 30,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.43 : 39,620.44 = 20,173.33 : x
  2. Step 2: Convert to fraction form
    26,436.43/39,620.44 = 20,173.33/x
  3. Step 3: Cross multiply
    26,436.43x = 39,620.44 × 20,173.33
  4. Step 4: Simplify right side
    26,436.43x = 799,276,210.87
  5. Step 5: Solve for x
    x = 799,276,210.87/26,436.43
  6. Step 6: Final answer
    x = 30,233.89

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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.