Home / 20,092.48-27,722.13-12,540.01

Finding the Fourth Proportional to 20,092.48, 27,722.13 and 12,540.01

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Solution

The fourth proportional to 20,092.48, 27,722.13 and 12,540.01 is: 17,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.48 : 27,722.13 = 12,540.01 : x
  2. Step 2: Convert to fraction form
    20,092.48/27,722.13 = 12,540.01/x
  3. Step 3: Cross multiply
    20,092.48x = 27,722.13 × 12,540.01
  4. Step 4: Simplify right side
    20,092.48x = 347,635,787.42
  5. Step 5: Solve for x
    x = 347,635,787.42/20,092.48
  6. Step 6: Final answer
    x = 17,301.79

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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.