Home / 20,576.10-28,396.59-11,624.59

Finding the Fourth Proportional to 20,576.10, 28,396.59 and 11,624.59

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Solution

The fourth proportional to 20,576.10, 28,396.59 and 11,624.59 is: 16,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.10 : 28,396.59 = 11,624.59 : x
  2. Step 2: Convert to fraction form
    20,576.10/28,396.59 = 11,624.59/x
  3. Step 3: Cross multiply
    20,576.10x = 28,396.59 × 11,624.59
  4. Step 4: Simplify right side
    20,576.10x = 330,098,716.15
  5. Step 5: Solve for x
    x = 330,098,716.15/20,576.10
  6. Step 6: Final answer
    x = 16,042.82

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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.