Home / 19,645.53-27,111.42-12,096.22

Finding the Fourth Proportional to 19,645.53, 27,111.42 and 12,096.22

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Solution

The fourth proportional to 19,645.53, 27,111.42 and 12,096.22 is: 16,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.53 : 27,111.42 = 12,096.22 : x
  2. Step 2: Convert to fraction form
    19,645.53/27,111.42 = 12,096.22/x
  3. Step 3: Cross multiply
    19,645.53x = 27,111.42 × 12,096.22
  4. Step 4: Simplify right side
    19,645.53x = 327,945,780.08
  5. Step 5: Solve for x
    x = 327,945,780.08/19,645.53
  6. Step 6: Final answer
    x = 16,693.15

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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.