Home / 19,625.19-27,083.48-11,243.31

Finding the Fourth Proportional to 19,625.19, 27,083.48 and 11,243.31

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Solution

The fourth proportional to 19,625.19, 27,083.48 and 11,243.31 is: 15,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.19 : 27,083.48 = 11,243.31 : x
  2. Step 2: Convert to fraction form
    19,625.19/27,083.48 = 11,243.31/x
  3. Step 3: Cross multiply
    19,625.19x = 27,083.48 × 11,243.31
  4. Step 4: Simplify right side
    19,625.19x = 304,507,905.30
  5. Step 5: Solve for x
    x = 304,507,905.30/19,625.19
  6. Step 6: Final answer
    x = 15,516.18

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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.