Home / 20,194.53-30,276.68-13,936.67

Finding the Fourth Proportional to 20,194.53, 30,276.68 and 13,936.67

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Solution

The fourth proportional to 20,194.53, 30,276.68 and 13,936.67 is: 20,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.53 : 30,276.68 = 13,936.67 : x
  2. Step 2: Convert to fraction form
    20,194.53/30,276.68 = 13,936.67/x
  3. Step 3: Cross multiply
    20,194.53x = 30,276.68 × 13,936.67
  4. Step 4: Simplify right side
    20,194.53x = 421,955,876.79
  5. Step 5: Solve for x
    x = 421,955,876.79/20,194.53
  6. Step 6: Final answer
    x = 20,894.56

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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.