Home / 18,571.68-25,600.32-13,249.44

Finding the Fourth Proportional to 18,571.68, 25,600.32 and 13,249.44

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Solution

The fourth proportional to 18,571.68, 25,600.32 and 13,249.44 is: 18,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.68 : 25,600.32 = 13,249.44 : x
  2. Step 2: Convert to fraction form
    18,571.68/25,600.32 = 13,249.44/x
  3. Step 3: Cross multiply
    18,571.68x = 25,600.32 × 13,249.44
  4. Step 4: Simplify right side
    18,571.68x = 339,189,903.82
  5. Step 5: Solve for x
    x = 339,189,903.82/18,571.68
  6. Step 6: Final answer
    x = 18,263.82

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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.