Home / 16,513.56-22,757.22-11,789.64

Finding the Fourth Proportional to 16,513.56, 22,757.22 and 11,789.64

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Solution

The fourth proportional to 16,513.56, 22,757.22 and 11,789.64 is: 16,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513.56 : 22,757.22 = 11,789.64 : x
  2. Step 2: Convert to fraction form
    16,513.56/22,757.22 = 11,789.64/x
  3. Step 3: Cross multiply
    16,513.56x = 22,757.22 × 11,789.64
  4. Step 4: Simplify right side
    16,513.56x = 268,299,431.20
  5. Step 5: Solve for x
    x = 268,299,431.20/16,513.56
  6. Step 6: Final answer
    x = 16,247.22

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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.