Home / 19,742.88-27,246.95-11,243.14

Finding the Fourth Proportional to 19,742.88, 27,246.95 and 11,243.14

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Solution

The fourth proportional to 19,742.88, 27,246.95 and 11,243.14 is: 15,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.88 : 27,246.95 = 11,243.14 : x
  2. Step 2: Convert to fraction form
    19,742.88/27,246.95 = 11,243.14/x
  3. Step 3: Cross multiply
    19,742.88x = 27,246.95 × 11,243.14
  4. Step 4: Simplify right side
    19,742.88x = 306,341,273.42
  5. Step 5: Solve for x
    x = 306,341,273.42/19,742.88
  6. Step 6: Final answer
    x = 15,516.54

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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.