Home / 19,486.14-26,892.63-11,105.34

Finding the Fourth Proportional to 19,486.14, 26,892.63 and 11,105.34

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Solution

The fourth proportional to 19,486.14, 26,892.63 and 11,105.34 is: 15,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.14 : 26,892.63 = 11,105.34 : x
  2. Step 2: Convert to fraction form
    19,486.14/26,892.63 = 11,105.34/x
  3. Step 3: Cross multiply
    19,486.14x = 26,892.63 × 11,105.34
  4. Step 4: Simplify right side
    19,486.14x = 298,651,799.64
  5. Step 5: Solve for x
    x = 298,651,799.64/19,486.14
  6. Step 6: Final answer
    x = 15,326.37

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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.