Home / 23,591.36-35,408.92-11,912.78

Finding the Fourth Proportional to 23,591.36, 35,408.92 and 11,912.78

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Solution

The fourth proportional to 23,591.36, 35,408.92 and 11,912.78 is: 17,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,591.36 : 35,408.92 = 11,912.78 : x
  2. Step 2: Convert to fraction form
    23,591.36/35,408.92 = 11,912.78/x
  3. Step 3: Cross multiply
    23,591.36x = 35,408.92 × 11,912.78
  4. Step 4: Simplify right side
    23,591.36x = 421,818,674.00
  5. Step 5: Solve for x
    x = 421,818,674.00/23,591.36
  6. Step 6: Final answer
    x = 17,880.22

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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.