Home / 20,562.56-28,375.26-12,063.50

Finding the Fourth Proportional to 20,562.56, 28,375.26 and 12,063.50

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Solution

The fourth proportional to 20,562.56, 28,375.26 and 12,063.50 is: 16,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.56 : 28,375.26 = 12,063.50 : x
  2. Step 2: Convert to fraction form
    20,562.56/28,375.26 = 12,063.50/x
  3. Step 3: Cross multiply
    20,562.56x = 28,375.26 × 12,063.50
  4. Step 4: Simplify right side
    20,562.56x = 342,304,949.01
  5. Step 5: Solve for x
    x = 342,304,949.01/20,562.56
  6. Step 6: Final answer
    x = 16,647.00

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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.