Home / 13,727.38-20,590.92-3,339.14

Finding the Fourth Proportional to 13,727.38, 20,590.92 and 3,339.14

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Solution

The fourth proportional to 13,727.38, 20,590.92 and 3,339.14 is: 5,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.38 : 20,590.92 = 3,339.14 : x
  2. Step 2: Convert to fraction form
    13,727.38/20,590.92 = 3,339.14/x
  3. Step 3: Cross multiply
    13,727.38x = 20,590.92 × 3,339.14
  4. Step 4: Simplify right side
    13,727.38x = 68,755,964.61
  5. Step 5: Solve for x
    x = 68,755,964.61/13,727.38
  6. Step 6: Final answer
    x = 5,008.67

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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.