Home / 26,436.05-36,453.24-20,074.31

Finding the Fourth Proportional to 26,436.05, 36,453.24 and 20,074.31

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Solution

The fourth proportional to 26,436.05, 36,453.24 and 20,074.31 is: 27,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.05 : 36,453.24 = 20,074.31 : x
  2. Step 2: Convert to fraction form
    26,436.05/36,453.24 = 20,074.31/x
  3. Step 3: Cross multiply
    26,436.05x = 36,453.24 × 20,074.31
  4. Step 4: Simplify right side
    26,436.05x = 731,773,458.00
  5. Step 5: Solve for x
    x = 731,773,458.00/26,436.05
  6. Step 6: Final answer
    x = 27,680.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.