Home / 20,092.70-30,140.49-5,301.44

Finding the Fourth Proportional to 20,092.70, 30,140.49 and 5,301.44

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Solution

The fourth proportional to 20,092.70, 30,140.49 and 5,301.44 is: 7,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.70 : 30,140.49 = 5,301.44 : x
  2. Step 2: Convert to fraction form
    20,092.70/30,140.49 = 5,301.44/x
  3. Step 3: Cross multiply
    20,092.70x = 30,140.49 × 5,301.44
  4. Step 4: Simplify right side
    20,092.70x = 159,787,999.31
  5. Step 5: Solve for x
    x = 159,787,999.31/20,092.70
  6. Step 6: Final answer
    x = 7,952.54

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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.