Home / 19,702.89-27,190.26-11,635.92

Finding the Fourth Proportional to 19,702.89, 27,190.26 and 11,635.92

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Solution

The fourth proportional to 19,702.89, 27,190.26 and 11,635.92 is: 16,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.89 : 27,190.26 = 11,635.92 : x
  2. Step 2: Convert to fraction form
    19,702.89/27,190.26 = 11,635.92/x
  3. Step 3: Cross multiply
    19,702.89x = 27,190.26 × 11,635.92
  4. Step 4: Simplify right side
    19,702.89x = 316,383,690.14
  5. Step 5: Solve for x
    x = 316,383,690.14/19,702.89
  6. Step 6: Final answer
    x = 16,057.73

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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.