Home / 20,212.88-27,906.54-14,898.44

Finding the Fourth Proportional to 20,212.88, 27,906.54 and 14,898.44

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Solution

The fourth proportional to 20,212.88, 27,906.54 and 14,898.44 is: 20,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.88 : 27,906.54 = 14,898.44 : x
  2. Step 2: Convert to fraction form
    20,212.88/27,906.54 = 14,898.44/x
  3. Step 3: Cross multiply
    20,212.88x = 27,906.54 × 14,898.44
  4. Step 4: Simplify right side
    20,212.88x = 415,763,911.80
  5. Step 5: Solve for x
    x = 415,763,911.80/20,212.88
  6. Step 6: Final answer
    x = 20,569.26

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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.