Home / 19,842.22-27,383.25-10,889.65

Finding the Fourth Proportional to 19,842.22, 27,383.25 and 10,889.65

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Solution

The fourth proportional to 19,842.22, 27,383.25 and 10,889.65 is: 15,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.22 : 27,383.25 = 10,889.65 : x
  2. Step 2: Convert to fraction form
    19,842.22/27,383.25 = 10,889.65/x
  3. Step 3: Cross multiply
    19,842.22x = 27,383.25 × 10,889.65
  4. Step 4: Simplify right side
    19,842.22x = 298,194,008.36
  5. Step 5: Solve for x
    x = 298,194,008.36/19,842.22
  6. Step 6: Final answer
    x = 15,028.26

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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.