Home / 20,044.42-27,644.52-15,020.44

Finding the Fourth Proportional to 20,044.42, 27,644.52 and 15,020.44

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Solution

The fourth proportional to 20,044.42, 27,644.52 and 15,020.44 is: 20,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.42 : 27,644.52 = 15,020.44 : x
  2. Step 2: Convert to fraction form
    20,044.42/27,644.52 = 15,020.44/x
  3. Step 3: Cross multiply
    20,044.42x = 27,644.52 × 15,020.44
  4. Step 4: Simplify right side
    20,044.42x = 415,232,853.99
  5. Step 5: Solve for x
    x = 415,232,853.99/20,044.42
  6. Step 6: Final answer
    x = 20,715.63

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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.