Home / 20,195.01-27,872.37-11,697.30

Finding the Fourth Proportional to 20,195.01, 27,872.37 and 11,697.30

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Solution

The fourth proportional to 20,195.01, 27,872.37 and 11,697.30 is: 16,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.01 : 27,872.37 = 11,697.30 : x
  2. Step 2: Convert to fraction form
    20,195.01/27,872.37 = 11,697.30/x
  3. Step 3: Cross multiply
    20,195.01x = 27,872.37 × 11,697.30
  4. Step 4: Simplify right side
    20,195.01x = 326,031,473.60
  5. Step 5: Solve for x
    x = 326,031,473.60/20,195.01
  6. Step 6: Final answer
    x = 16,144.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.