Home / 20,467.51-30,701.26-5,676.43

Finding the Fourth Proportional to 20,467.51, 30,701.26 and 5,676.43

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Solution

The fourth proportional to 20,467.51, 30,701.26 and 5,676.43 is: 8,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.51 : 30,701.26 = 5,676.43 : x
  2. Step 2: Convert to fraction form
    20,467.51/30,701.26 = 5,676.43/x
  3. Step 3: Cross multiply
    20,467.51x = 30,701.26 × 5,676.43
  4. Step 4: Simplify right side
    20,467.51x = 174,273,494.41
  5. Step 5: Solve for x
    x = 174,273,494.41/20,467.51
  6. Step 6: Final answer
    x = 8,514.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.