Home / 20,213.01-30,308.58-6,882.03

Finding the Fourth Proportional to 20,213.01, 30,308.58 and 6,882.03

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Solution

The fourth proportional to 20,213.01, 30,308.58 and 6,882.03 is: 10,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.01 : 30,308.58 = 6,882.03 : x
  2. Step 2: Convert to fraction form
    20,213.01/30,308.58 = 6,882.03/x
  3. Step 3: Cross multiply
    20,213.01x = 30,308.58 × 6,882.03
  4. Step 4: Simplify right side
    20,213.01x = 208,584,556.82
  5. Step 5: Solve for x
    x = 208,584,556.82/20,213.01
  6. Step 6: Final answer
    x = 10,319.32

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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.