Home / 20,144.40-27,917.07-19,862.52

Finding the Fourth Proportional to 20,144.40, 27,917.07 and 19,862.52

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Solution

The fourth proportional to 20,144.40, 27,917.07 and 19,862.52 is: 27,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.40 : 27,917.07 = 19,862.52 : x
  2. Step 2: Convert to fraction form
    20,144.40/27,917.07 = 19,862.52/x
  3. Step 3: Cross multiply
    20,144.40x = 27,917.07 × 19,862.52
  4. Step 4: Simplify right side
    20,144.40x = 554,503,361.22
  5. Step 5: Solve for x
    x = 554,503,361.22/20,144.40
  6. Step 6: Final answer
    x = 27,526.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.