Home / 20,098.03-30,148.55-6,771.10

Finding the Fourth Proportional to 20,098.03, 30,148.55 and 6,771.10

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Solution

The fourth proportional to 20,098.03, 30,148.55 and 6,771.10 is: 10,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.03 : 30,148.55 = 6,771.10 : x
  2. Step 2: Convert to fraction form
    20,098.03/30,148.55 = 6,771.10/x
  3. Step 3: Cross multiply
    20,098.03x = 30,148.55 × 6,771.10
  4. Step 4: Simplify right side
    20,098.03x = 204,138,662.31
  5. Step 5: Solve for x
    x = 204,138,662.31/20,098.03
  6. Step 6: Final answer
    x = 10,157.15

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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.