Home / 43,405.40-65,110.26-12,236.60

Finding the Fourth Proportional to 43,405.40, 65,110.26 and 12,236.60

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Solution

The fourth proportional to 43,405.40, 65,110.26 and 12,236.60 is: 18,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,405.40 : 65,110.26 = 12,236.60 : x
  2. Step 2: Convert to fraction form
    43,405.40/65,110.26 = 12,236.60/x
  3. Step 3: Cross multiply
    43,405.40x = 65,110.26 × 12,236.60
  4. Step 4: Simplify right side
    43,405.40x = 796,728,207.52
  5. Step 5: Solve for x
    x = 796,728,207.52/43,405.40
  6. Step 6: Final answer
    x = 18,355.51

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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.