Home / 20,193.60-30,294.96-6,154.88

Finding the Fourth Proportional to 20,193.60, 30,294.96 and 6,154.88

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Solution

The fourth proportional to 20,193.60, 30,294.96 and 6,154.88 is: 9,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.60 : 30,294.96 = 6,154.88 : x
  2. Step 2: Convert to fraction form
    20,193.60/30,294.96 = 6,154.88/x
  3. Step 3: Cross multiply
    20,193.60x = 30,294.96 × 6,154.88
  4. Step 4: Simplify right side
    20,193.60x = 186,461,843.40
  5. Step 5: Solve for x
    x = 186,461,843.40/20,193.60
  6. Step 6: Final answer
    x = 9,233.71

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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.