Home / 20,226.20-27,893.39-13,862.03

Finding the Fourth Proportional to 20,226.20, 27,893.39 and 13,862.03

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Solution

The fourth proportional to 20,226.20, 27,893.39 and 13,862.03 is: 19,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.20 : 27,893.39 = 13,862.03 : x
  2. Step 2: Convert to fraction form
    20,226.20/27,893.39 = 13,862.03/x
  3. Step 3: Cross multiply
    20,226.20x = 27,893.39 × 13,862.03
  4. Step 4: Simplify right side
    20,226.20x = 386,658,800.20
  5. Step 5: Solve for x
    x = 386,658,800.20/20,226.20
  6. Step 6: Final answer
    x = 19,116.73

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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.