Home / 20,166.05-30,250.26-6,126.54

Finding the Fourth Proportional to 20,166.05, 30,250.26 and 6,126.54

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Solution

The fourth proportional to 20,166.05, 30,250.26 and 6,126.54 is: 9,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.05 : 30,250.26 = 6,126.54 : x
  2. Step 2: Convert to fraction form
    20,166.05/30,250.26 = 6,126.54/x
  3. Step 3: Cross multiply
    20,166.05x = 30,250.26 × 6,126.54
  4. Step 4: Simplify right side
    20,166.05x = 185,329,427.90
  5. Step 5: Solve for x
    x = 185,329,427.90/20,166.05
  6. Step 6: Final answer
    x = 9,190.17

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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.