Home / 20,563.26-30,844.92-4,980.84

Finding the Fourth Proportional to 20,563.26, 30,844.92 and 4,980.84

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Solution

The fourth proportional to 20,563.26, 30,844.92 and 4,980.84 is: 7,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.26 : 30,844.92 = 4,980.84 : x
  2. Step 2: Convert to fraction form
    20,563.26/30,844.92 = 4,980.84/x
  3. Step 3: Cross multiply
    20,563.26x = 30,844.92 × 4,980.84
  4. Step 4: Simplify right side
    20,563.26x = 153,633,611.33
  5. Step 5: Solve for x
    x = 153,633,611.33/20,563.26
  6. Step 6: Final answer
    x = 7,471.27

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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.