Home / 13,934.14-20,901.39-5,169.07

Finding the Fourth Proportional to 13,934.14, 20,901.39 and 5,169.07

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Solution

The fourth proportional to 13,934.14, 20,901.39 and 5,169.07 is: 7,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.14 : 20,901.39 = 5,169.07 : x
  2. Step 2: Convert to fraction form
    13,934.14/20,901.39 = 5,169.07/x
  3. Step 3: Cross multiply
    13,934.14x = 20,901.39 × 5,169.07
  4. Step 4: Simplify right side
    13,934.14x = 108,040,748.01
  5. Step 5: Solve for x
    x = 108,040,748.01/13,934.14
  6. Step 6: Final answer
    x = 7,753.67

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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.