Home / 20,346.12-30,523.94-6,305.42

Finding the Fourth Proportional to 20,346.12, 30,523.94 and 6,305.42

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Solution

The fourth proportional to 20,346.12, 30,523.94 and 6,305.42 is: 9,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.12 : 30,523.94 = 6,305.42 : x
  2. Step 2: Convert to fraction form
    20,346.12/30,523.94 = 6,305.42/x
  3. Step 3: Cross multiply
    20,346.12x = 30,523.94 × 6,305.42
  4. Step 4: Simplify right side
    20,346.12x = 192,466,124.90
  5. Step 5: Solve for x
    x = 192,466,124.90/20,346.12
  6. Step 6: Final answer
    x = 9,459.60

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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.