Home / 20,851.62-31,279.14-6,060.52

Finding the Fourth Proportional to 20,851.62, 31,279.14 and 6,060.52

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Solution

The fourth proportional to 20,851.62, 31,279.14 and 6,060.52 is: 9,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851.62 : 31,279.14 = 6,060.52 : x
  2. Step 2: Convert to fraction form
    20,851.62/31,279.14 = 6,060.52/x
  3. Step 3: Cross multiply
    20,851.62x = 31,279.14 × 6,060.52
  4. Step 4: Simplify right side
    20,851.62x = 189,567,993.75
  5. Step 5: Solve for x
    x = 189,567,993.75/20,851.62
  6. Step 6: Final answer
    x = 9,091.28

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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.