Home / 20,524.98-28,324.78-11,572.92

Finding the Fourth Proportional to 20,524.98, 28,324.78 and 11,572.92

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Solution

The fourth proportional to 20,524.98, 28,324.78 and 11,572.92 is: 15,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.98 : 28,324.78 = 11,572.92 : x
  2. Step 2: Convert to fraction form
    20,524.98/28,324.78 = 11,572.92/x
  3. Step 3: Cross multiply
    20,524.98x = 28,324.78 × 11,572.92
  4. Step 4: Simplify right side
    20,524.98x = 327,800,412.96
  5. Step 5: Solve for x
    x = 327,800,412.96/20,524.98
  6. Step 6: Final answer
    x = 15,970.80

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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.