Home / 20,054.76-30,082.20-6,906.96

Finding the Fourth Proportional to 20,054.76, 30,082.20 and 6,906.96

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Solution

The fourth proportional to 20,054.76, 30,082.20 and 6,906.96 is: 10,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.76 : 30,082.20 = 6,906.96 : x
  2. Step 2: Convert to fraction form
    20,054.76/30,082.20 = 6,906.96/x
  3. Step 3: Cross multiply
    20,054.76x = 30,082.20 × 6,906.96
  4. Step 4: Simplify right side
    20,054.76x = 207,776,552.11
  5. Step 5: Solve for x
    x = 207,776,552.11/20,054.76
  6. Step 6: Final answer
    x = 10,360.46

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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.