Home / 19,745.79-27,244.80-11,362.29

Finding the Fourth Proportional to 19,745.79, 27,244.80 and 11,362.29

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Solution

The fourth proportional to 19,745.79, 27,244.80 and 11,362.29 is: 15,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.79 : 27,244.80 = 11,362.29 : x
  2. Step 2: Convert to fraction form
    19,745.79/27,244.80 = 11,362.29/x
  3. Step 3: Cross multiply
    19,745.79x = 27,244.80 × 11,362.29
  4. Step 4: Simplify right side
    19,745.79x = 309,563,318.59
  5. Step 5: Solve for x
    x = 309,563,318.59/19,745.79
  6. Step 6: Final answer
    x = 15,677.43

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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.