Home / 20,396.73-30,589.53-5,602.15

Finding the Fourth Proportional to 20,396.73, 30,589.53 and 5,602.15

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Solution

The fourth proportional to 20,396.73, 30,589.53 and 5,602.15 is: 8,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396.73 : 30,589.53 = 5,602.15 : x
  2. Step 2: Convert to fraction form
    20,396.73/30,589.53 = 5,602.15/x
  3. Step 3: Cross multiply
    20,396.73x = 30,589.53 × 5,602.15
  4. Step 4: Simplify right side
    20,396.73x = 171,367,135.49
  5. Step 5: Solve for x
    x = 171,367,135.49/20,396.73
  6. Step 6: Final answer
    x = 8,401.70

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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.