Home / 20,244.21-27,936.14-14,937.09

Finding the Fourth Proportional to 20,244.21, 27,936.14 and 14,937.09

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Solution

The fourth proportional to 20,244.21, 27,936.14 and 14,937.09 is: 20,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.21 : 27,936.14 = 14,937.09 : x
  2. Step 2: Convert to fraction form
    20,244.21/27,936.14 = 14,937.09/x
  3. Step 3: Cross multiply
    20,244.21x = 27,936.14 × 14,937.09
  4. Step 4: Simplify right side
    20,244.21x = 417,284,562.75
  5. Step 5: Solve for x
    x = 417,284,562.75/20,244.21
  6. Step 6: Final answer
    x = 20,612.54

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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.