Home / 19,763.60-27,273.11-11,801.09

Finding the Fourth Proportional to 19,763.60, 27,273.11 and 11,801.09

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Solution

The fourth proportional to 19,763.60, 27,273.11 and 11,801.09 is: 16,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.60 : 27,273.11 = 11,801.09 : x
  2. Step 2: Convert to fraction form
    19,763.60/27,273.11 = 11,801.09/x
  3. Step 3: Cross multiply
    19,763.60x = 27,273.11 × 11,801.09
  4. Step 4: Simplify right side
    19,763.60x = 321,852,434.87
  5. Step 5: Solve for x
    x = 321,852,434.87/19,763.60
  6. Step 6: Final answer
    x = 16,285.12

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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.