Home / 20,524.50-28,323.24-11,571.92

Finding the Fourth Proportional to 20,524.50, 28,323.24 and 11,571.92

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Solution

The fourth proportional to 20,524.50, 28,323.24 and 11,571.92 is: 15,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.50 : 28,323.24 = 11,571.92 : x
  2. Step 2: Convert to fraction form
    20,524.50/28,323.24 = 11,571.92/x
  3. Step 3: Cross multiply
    20,524.50x = 28,323.24 × 11,571.92
  4. Step 4: Simplify right side
    20,524.50x = 327,754,188.62
  5. Step 5: Solve for x
    x = 327,754,188.62/20,524.50
  6. Step 6: Final answer
    x = 15,968.93

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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.