Home / 20,094.12-30,170.61-19,739.79

Finding the Fourth Proportional to 20,094.12, 30,170.61 and 19,739.79

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Solution

The fourth proportional to 20,094.12, 30,170.61 and 19,739.79 is: 29,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.12 : 30,170.61 = 19,739.79 : x
  2. Step 2: Convert to fraction form
    20,094.12/30,170.61 = 19,739.79/x
  3. Step 3: Cross multiply
    20,094.12x = 30,170.61 × 19,739.79
  4. Step 4: Simplify right side
    20,094.12x = 595,561,505.57
  5. Step 5: Solve for x
    x = 595,561,505.57/20,094.12
  6. Step 6: Final answer
    x = 29,638.60

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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.