Home / 20,514.39-30,771.61-10,632.93

Finding the Fourth Proportional to 20,514.39, 30,771.61 and 10,632.93

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Solution

The fourth proportional to 20,514.39, 30,771.61 and 10,632.93 is: 15,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.39 : 30,771.61 = 10,632.93 : x
  2. Step 2: Convert to fraction form
    20,514.39/30,771.61 = 10,632.93/x
  3. Step 3: Cross multiply
    20,514.39x = 30,771.61 × 10,632.93
  4. Step 4: Simplify right side
    20,514.39x = 327,192,321.95
  5. Step 5: Solve for x
    x = 327,192,321.95/20,514.39
  6. Step 6: Final answer
    x = 15,949.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.