Home / 20,576.55-28,396.22-11,624.43

Finding the Fourth Proportional to 20,576.55, 28,396.22 and 11,624.43

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Solution

The fourth proportional to 20,576.55, 28,396.22 and 11,624.43 is: 16,042.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.55 : 28,396.22 = 11,624.43 : x
  2. Step 2: Convert to fraction form
    20,576.55/28,396.22 = 11,624.43/x
  3. Step 3: Cross multiply
    20,576.55x = 28,396.22 × 11,624.43
  4. Step 4: Simplify right side
    20,576.55x = 330,089,871.65
  5. Step 5: Solve for x
    x = 330,089,871.65/20,576.55
  6. Step 6: Final answer
    x = 16,042.04

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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.