Home / 19,638.51-27,096.30-12,086.07

Finding the Fourth Proportional to 19,638.51, 27,096.30 and 12,086.07

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Solution

The fourth proportional to 19,638.51, 27,096.30 and 12,086.07 is: 16,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.51 : 27,096.30 = 12,086.07 : x
  2. Step 2: Convert to fraction form
    19,638.51/27,096.30 = 12,086.07/x
  3. Step 3: Cross multiply
    19,638.51x = 27,096.30 × 12,086.07
  4. Step 4: Simplify right side
    19,638.51x = 327,487,778.54
  5. Step 5: Solve for x
    x = 327,487,778.54/19,638.51
  6. Step 6: Final answer
    x = 16,675.80

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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.