Home / 18,676.26-25,716.96-16,659.36

Finding the Fourth Proportional to 18,676.26, 25,716.96 and 16,659.36

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Solution

The fourth proportional to 18,676.26, 25,716.96 and 16,659.36 is: 22,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.26 : 25,716.96 = 16,659.36 : x
  2. Step 2: Convert to fraction form
    18,676.26/25,716.96 = 16,659.36/x
  3. Step 3: Cross multiply
    18,676.26x = 25,716.96 × 16,659.36
  4. Step 4: Simplify right side
    18,676.26x = 428,428,094.75
  5. Step 5: Solve for x
    x = 428,428,094.75/18,676.26
  6. Step 6: Final answer
    x = 22,939.72

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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.