Home / 20,243.71-27,935.44-14,936.59

Finding the Fourth Proportional to 20,243.71, 27,935.44 and 14,936.59

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Solution

The fourth proportional to 20,243.71, 27,935.44 and 14,936.59 is: 20,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.71 : 27,935.44 = 14,936.59 : x
  2. Step 2: Convert to fraction form
    20,243.71/27,935.44 = 14,936.59/x
  3. Step 3: Cross multiply
    20,243.71x = 27,935.44 × 14,936.59
  4. Step 4: Simplify right side
    20,243.71x = 417,260,213.75
  5. Step 5: Solve for x
    x = 417,260,213.75/20,243.71
  6. Step 6: Final answer
    x = 20,611.85

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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.