Home / 43,403.39-65,107.32-12,241.07

Finding the Fourth Proportional to 43,403.39, 65,107.32 and 12,241.07

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Solution

The fourth proportional to 43,403.39, 65,107.32 and 12,241.07 is: 18,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.39 : 65,107.32 = 12,241.07 : x
  2. Step 2: Convert to fraction form
    43,403.39/65,107.32 = 12,241.07/x
  3. Step 3: Cross multiply
    43,403.39x = 65,107.32 × 12,241.07
  4. Step 4: Simplify right side
    43,403.39x = 796,983,200.43
  5. Step 5: Solve for x
    x = 796,983,200.43/43,403.39
  6. Step 6: Final answer
    x = 18,362.23

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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.