Home / 13,726.67-20,590.05-3,338.42

Finding the Fourth Proportional to 13,726.67, 20,590.05 and 3,338.42

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Solution

The fourth proportional to 13,726.67, 20,590.05 and 3,338.42 is: 5,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.67 : 20,590.05 = 3,338.42 : x
  2. Step 2: Convert to fraction form
    13,726.67/20,590.05 = 3,338.42/x
  3. Step 3: Cross multiply
    13,726.67x = 20,590.05 × 3,338.42
  4. Step 4: Simplify right side
    13,726.67x = 68,738,234.72
  5. Step 5: Solve for x
    x = 68,738,234.72/13,726.67
  6. Step 6: Final answer
    x = 5,007.64

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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.