Home / 26,679.37-36,796.78-18,914.61

Finding the Fourth Proportional to 26,679.37, 36,796.78 and 18,914.61

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Solution

The fourth proportional to 26,679.37, 36,796.78 and 18,914.61 is: 26,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.37 : 36,796.78 = 18,914.61 : x
  2. Step 2: Convert to fraction form
    26,679.37/36,796.78 = 18,914.61/x
  3. Step 3: Cross multiply
    26,679.37x = 36,796.78 × 18,914.61
  4. Step 4: Simplify right side
    26,679.37x = 695,996,742.96
  5. Step 5: Solve for x
    x = 695,996,742.96/26,679.37
  6. Step 6: Final answer
    x = 26,087.45

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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.