Home / 20,244.49-27,936.03-11,746.87

Finding the Fourth Proportional to 20,244.49, 27,936.03 and 11,746.87

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Solution

The fourth proportional to 20,244.49, 27,936.03 and 11,746.87 is: 16,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.49 : 27,936.03 = 11,746.87 : x
  2. Step 2: Convert to fraction form
    20,244.49/27,936.03 = 11,746.87/x
  3. Step 3: Cross multiply
    20,244.49x = 27,936.03 × 11,746.87
  4. Step 4: Simplify right side
    20,244.49x = 328,160,912.73
  5. Step 5: Solve for x
    x = 328,160,912.73/20,244.49
  6. Step 6: Final answer
    x = 16,209.89

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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.