Home / 20,626.54-28,464.60-11,673.88

Finding the Fourth Proportional to 20,626.54, 28,464.60 and 11,673.88

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Solution

The fourth proportional to 20,626.54, 28,464.60 and 11,673.88 is: 16,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.54 : 28,464.60 = 11,673.88 : x
  2. Step 2: Convert to fraction form
    20,626.54/28,464.60 = 11,673.88/x
  3. Step 3: Cross multiply
    20,626.54x = 28,464.60 × 11,673.88
  4. Step 4: Simplify right side
    20,626.54x = 332,292,324.65
  5. Step 5: Solve for x
    x = 332,292,324.65/20,626.54
  6. Step 6: Final answer
    x = 16,109.94

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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.