Home / 20,443.27-30,676.79-8,596.18

Finding the Fourth Proportional to 20,443.27, 30,676.79 and 8,596.18

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Solution

The fourth proportional to 20,443.27, 30,676.79 and 8,596.18 is: 12,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.27 : 30,676.79 = 8,596.18 : x
  2. Step 2: Convert to fraction form
    20,443.27/30,676.79 = 8,596.18/x
  3. Step 3: Cross multiply
    20,443.27x = 30,676.79 × 8,596.18
  4. Step 4: Simplify right side
    20,443.27x = 263,703,208.66
  5. Step 5: Solve for x
    x = 263,703,208.66/20,443.27
  6. Step 6: Final answer
    x = 12,899.27

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1.5x scale

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.