Home / 20,556.03-28,367.24-11,603.43

Finding the Fourth Proportional to 20,556.03, 28,367.24 and 11,603.43

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Solution

The fourth proportional to 20,556.03, 28,367.24 and 11,603.43 is: 16,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,556.03 : 28,367.24 = 11,603.43 : x
  2. Step 2: Convert to fraction form
    20,556.03/28,367.24 = 11,603.43/x
  3. Step 3: Cross multiply
    20,556.03x = 28,367.24 × 11,603.43
  4. Step 4: Simplify right side
    20,556.03x = 329,157,225.62
  5. Step 5: Solve for x
    x = 329,157,225.62/20,556.03
  6. Step 6: Final answer
    x = 16,012.68

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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.