Home / 20,423.24-30,634.89-6,383.34

Finding the Fourth Proportional to 20,423.24, 30,634.89 and 6,383.34

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Solution

The fourth proportional to 20,423.24, 30,634.89 and 6,383.34 is: 9,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423.24 : 30,634.89 = 6,383.34 : x
  2. Step 2: Convert to fraction form
    20,423.24/30,634.89 = 6,383.34/x
  3. Step 3: Cross multiply
    20,423.24x = 30,634.89 × 6,383.34
  4. Step 4: Simplify right side
    20,423.24x = 195,553,033.01
  5. Step 5: Solve for x
    x = 195,553,033.01/20,423.24
  6. Step 6: Final answer
    x = 9,575.02

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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.