Home / 20,365.82-30,553.52-6,325.14

Finding the Fourth Proportional to 20,365.82, 30,553.52 and 6,325.14

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Solution

The fourth proportional to 20,365.82, 30,553.52 and 6,325.14 is: 9,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365.82 : 30,553.52 = 6,325.14 : x
  2. Step 2: Convert to fraction form
    20,365.82/30,553.52 = 6,325.14/x
  3. Step 3: Cross multiply
    20,365.82x = 30,553.52 × 6,325.14
  4. Step 4: Simplify right side
    20,365.82x = 193,255,291.49
  5. Step 5: Solve for x
    x = 193,255,291.49/20,365.82
  6. Step 6: Final answer
    x = 9,489.20

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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.