Home / 20,092.36-30,135.10-5,301.43

Finding the Fourth Proportional to 20,092.36, 30,135.10 and 5,301.43

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Solution

The fourth proportional to 20,092.36, 30,135.10 and 5,301.43 is: 7,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.36 : 30,135.10 = 5,301.43 : x
  2. Step 2: Convert to fraction form
    20,092.36/30,135.10 = 5,301.43/x
  3. Step 3: Cross multiply
    20,092.36x = 30,135.10 × 5,301.43
  4. Step 4: Simplify right side
    20,092.36x = 159,759,123.19
  5. Step 5: Solve for x
    x = 159,759,123.19/20,092.36
  6. Step 6: Final answer
    x = 7,951.24

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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.