Home / 26,761.87-36,910.59-18,270.84

Finding the Fourth Proportional to 26,761.87, 36,910.59 and 18,270.84

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Solution

The fourth proportional to 26,761.87, 36,910.59 and 18,270.84 is: 25,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.87 : 36,910.59 = 18,270.84 : x
  2. Step 2: Convert to fraction form
    26,761.87/36,910.59 = 18,270.84/x
  3. Step 3: Cross multiply
    26,761.87x = 36,910.59 × 18,270.84
  4. Step 4: Simplify right side
    26,761.87x = 674,387,299.64
  5. Step 5: Solve for x
    x = 674,387,299.64/26,761.87
  6. Step 6: Final answer
    x = 25,199.56

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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.