Home / 26,825.70-40,236.21-10,185.86

Finding the Fourth Proportional to 26,825.70, 40,236.21 and 10,185.86

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Solution

The fourth proportional to 26,825.70, 40,236.21 and 10,185.86 is: 15,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,825.70 : 40,236.21 = 10,185.86 : x
  2. Step 2: Convert to fraction form
    26,825.70/40,236.21 = 10,185.86/x
  3. Step 3: Cross multiply
    26,825.70x = 40,236.21 × 10,185.86
  4. Step 4: Simplify right side
    26,825.70x = 409,840,200.81
  5. Step 5: Solve for x
    x = 409,840,200.81/26,825.70
  6. Step 6: Final answer
    x = 15,277.89

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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.