Home / 20,606.99-30,912.74-6,563.72

Finding the Fourth Proportional to 20,606.99, 30,912.74 and 6,563.72

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Solution

The fourth proportional to 20,606.99, 30,912.74 and 6,563.72 is: 9,846.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,606.99 : 30,912.74 = 6,563.72 : x
  2. Step 2: Convert to fraction form
    20,606.99/30,912.74 = 6,563.72/x
  3. Step 3: Cross multiply
    20,606.99x = 30,912.74 × 6,563.72
  4. Step 4: Simplify right side
    20,606.99x = 202,902,382.41
  5. Step 5: Solve for x
    x = 202,902,382.41/20,606.99
  6. Step 6: Final answer
    x = 9,846.29

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1.5x scale

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.