Home / 18,203.64-27,163.47-16,242.36

Finding the Fourth Proportional to 18,203.64, 27,163.47 and 16,242.36

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Solution

The fourth proportional to 18,203.64, 27,163.47 and 16,242.36 is: 24,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.64 : 27,163.47 = 16,242.36 : x
  2. Step 2: Convert to fraction form
    18,203.64/27,163.47 = 16,242.36/x
  3. Step 3: Cross multiply
    18,203.64x = 27,163.47 × 16,242.36
  4. Step 4: Simplify right side
    18,203.64x = 441,198,858.59
  5. Step 5: Solve for x
    x = 441,198,858.59/18,203.64
  6. Step 6: Final answer
    x = 24,236.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.