Home / 19,201.05-26,498.48-11,243.88

Finding the Fourth Proportional to 19,201.05, 26,498.48 and 11,243.88

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Solution

The fourth proportional to 19,201.05, 26,498.48 and 11,243.88 is: 15,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.05 : 26,498.48 = 11,243.88 : x
  2. Step 2: Convert to fraction form
    19,201.05/26,498.48 = 11,243.88/x
  3. Step 3: Cross multiply
    19,201.05x = 26,498.48 × 11,243.88
  4. Step 4: Simplify right side
    19,201.05x = 297,945,673.08
  5. Step 5: Solve for x
    x = 297,945,673.08/19,201.05
  6. Step 6: Final answer
    x = 15,517.16

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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.