Home / 16,205.56-22,365.78-9,134.20

Finding the Fourth Proportional to 16,205.56, 22,365.78 and 9,134.20

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Solution

The fourth proportional to 16,205.56, 22,365.78 and 9,134.20 is: 12,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,205.56 : 22,365.78 = 9,134.20 : x
  2. Step 2: Convert to fraction form
    16,205.56/22,365.78 = 9,134.20/x
  3. Step 3: Cross multiply
    16,205.56x = 22,365.78 × 9,134.20
  4. Step 4: Simplify right side
    16,205.56x = 204,293,507.68
  5. Step 5: Solve for x
    x = 204,293,507.68/16,205.56
  6. Step 6: Final answer
    x = 12,606.38

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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.