Home / 16,179.60-22,322.46-13,190.28

Finding the Fourth Proportional to 16,179.60, 22,322.46 and 13,190.28

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Solution

The fourth proportional to 16,179.60, 22,322.46 and 13,190.28 is: 18,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,179.60 : 22,322.46 = 13,190.28 : x
  2. Step 2: Convert to fraction form
    16,179.60/22,322.46 = 13,190.28/x
  3. Step 3: Cross multiply
    16,179.60x = 22,322.46 × 13,190.28
  4. Step 4: Simplify right side
    16,179.60x = 294,439,497.69
  5. Step 5: Solve for x
    x = 294,439,497.69/16,179.60
  6. Step 6: Final answer
    x = 18,198.19

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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.