Home / 14,936.49-20,611.61-8,222.70

Finding the Fourth Proportional to 14,936.49, 20,611.61 and 8,222.70

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Solution

The fourth proportional to 14,936.49, 20,611.61 and 8,222.70 is: 11,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,936.49 : 20,611.61 = 8,222.70 : x
  2. Step 2: Convert to fraction form
    14,936.49/20,611.61 = 8,222.70/x
  3. Step 3: Cross multiply
    14,936.49x = 20,611.61 × 8,222.70
  4. Step 4: Simplify right side
    14,936.49x = 169,483,044.43
  5. Step 5: Solve for x
    x = 169,483,044.43/14,936.49
  6. Step 6: Final answer
    x = 11,346.91

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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.