Home / 20,023.47-27,634.43-11,525.90

Finding the Fourth Proportional to 20,023.47, 27,634.43 and 11,525.90

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Solution

The fourth proportional to 20,023.47, 27,634.43 and 11,525.90 is: 15,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.47 : 27,634.43 = 11,525.90 : x
  2. Step 2: Convert to fraction form
    20,023.47/27,634.43 = 11,525.90/x
  3. Step 3: Cross multiply
    20,023.47x = 27,634.43 × 11,525.90
  4. Step 4: Simplify right side
    20,023.47x = 318,511,567.38
  5. Step 5: Solve for x
    x = 318,511,567.38/20,023.47
  6. Step 6: Final answer
    x = 15,906.91

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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.