Home / 19,635.15-27,092.84-11,679.33

Finding the Fourth Proportional to 19,635.15, 27,092.84 and 11,679.33

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Solution

The fourth proportional to 19,635.15, 27,092.84 and 11,679.33 is: 16,115.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.15 : 27,092.84 = 11,679.33 : x
  2. Step 2: Convert to fraction form
    19,635.15/27,092.84 = 11,679.33/x
  3. Step 3: Cross multiply
    19,635.15x = 27,092.84 × 11,679.33
  4. Step 4: Simplify right side
    19,635.15x = 316,426,160.60
  5. Step 5: Solve for x
    x = 316,426,160.60/19,635.15
  6. Step 6: Final answer
    x = 16,115.29

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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.