Home / 20,524.17-28,322.70-11,571.54

Finding the Fourth Proportional to 20,524.17, 28,322.70 and 11,571.54

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Solution

The fourth proportional to 20,524.17, 28,322.70 and 11,571.54 is: 15,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.17 : 28,322.70 = 11,571.54 : x
  2. Step 2: Convert to fraction form
    20,524.17/28,322.70 = 11,571.54/x
  3. Step 3: Cross multiply
    20,524.17x = 28,322.70 × 11,571.54
  4. Step 4: Simplify right side
    20,524.17x = 327,737,255.96
  5. Step 5: Solve for x
    x = 327,737,255.96/20,524.17
  6. Step 6: Final answer
    x = 15,968.36

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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.