Home / 22,343.28-30,834.09-12,272.67

Finding the Fourth Proportional to 22,343.28, 30,834.09 and 12,272.67

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Solution

The fourth proportional to 22,343.28, 30,834.09 and 12,272.67 is: 16,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.28 : 30,834.09 = 12,272.67 : x
  2. Step 2: Convert to fraction form
    22,343.28/30,834.09 = 12,272.67/x
  3. Step 3: Cross multiply
    22,343.28x = 30,834.09 × 12,272.67
  4. Step 4: Simplify right side
    22,343.28x = 378,416,611.32
  5. Step 5: Solve for x
    x = 378,416,611.32/22,343.28
  6. Step 6: Final answer
    x = 16,936.48

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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.