Home / 15,067.45-20,791.16-8,353.01

Finding the Fourth Proportional to 15,067.45, 20,791.16 and 8,353.01

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Solution

The fourth proportional to 15,067.45, 20,791.16 and 8,353.01 is: 11,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.45 : 20,791.16 = 8,353.01 : x
  2. Step 2: Convert to fraction form
    15,067.45/20,791.16 = 8,353.01/x
  3. Step 3: Cross multiply
    15,067.45x = 20,791.16 × 8,353.01
  4. Step 4: Simplify right side
    15,067.45x = 173,668,777.60
  5. Step 5: Solve for x
    x = 173,668,777.60/15,067.45
  6. Step 6: Final answer
    x = 11,526.09

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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.