Home / 19,758.70-27,267.33-11,801.62

Finding the Fourth Proportional to 19,758.70, 27,267.33 and 11,801.62

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Solution

The fourth proportional to 19,758.70, 27,267.33 and 11,801.62 is: 16,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.70 : 27,267.33 = 11,801.62 : x
  2. Step 2: Convert to fraction form
    19,758.70/27,267.33 = 11,801.62/x
  3. Step 3: Cross multiply
    19,758.70x = 27,267.33 × 11,801.62
  4. Step 4: Simplify right side
    19,758.70x = 321,798,667.07
  5. Step 5: Solve for x
    x = 321,798,667.07/19,758.70
  6. Step 6: Final answer
    x = 16,286.43

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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.