Home / 20,083.14-30,118.23-7,602.66

Finding the Fourth Proportional to 20,083.14, 30,118.23 and 7,602.66

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Solution

The fourth proportional to 20,083.14, 30,118.23 and 7,602.66 is: 11,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.14 : 30,118.23 = 7,602.66 : x
  2. Step 2: Convert to fraction form
    20,083.14/30,118.23 = 7,602.66/x
  3. Step 3: Cross multiply
    20,083.14x = 30,118.23 × 7,602.66
  4. Step 4: Simplify right side
    20,083.14x = 228,978,662.49
  5. Step 5: Solve for x
    x = 228,978,662.49/20,083.14
  6. Step 6: Final answer
    x = 11,401.54

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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.