Home / 20,193.32-30,294.77-6,342.32

Finding the Fourth Proportional to 20,193.32, 30,294.77 and 6,342.32

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Solution

The fourth proportional to 20,193.32, 30,294.77 and 6,342.32 is: 9,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.32 : 30,294.77 = 6,342.32 : x
  2. Step 2: Convert to fraction form
    20,193.32/30,294.77 = 6,342.32/x
  3. Step 3: Cross multiply
    20,193.32x = 30,294.77 × 6,342.32
  4. Step 4: Simplify right side
    20,193.32x = 192,138,942.48
  5. Step 5: Solve for x
    x = 192,138,942.48/20,193.32
  6. Step 6: Final answer
    x = 9,514.98

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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.