Home / 19,992.35-27,589.01-11,040.23

Finding the Fourth Proportional to 19,992.35, 27,589.01 and 11,040.23

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Solution

The fourth proportional to 19,992.35, 27,589.01 and 11,040.23 is: 15,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.35 : 27,589.01 = 11,040.23 : x
  2. Step 2: Convert to fraction form
    19,992.35/27,589.01 = 11,040.23/x
  3. Step 3: Cross multiply
    19,992.35x = 27,589.01 × 11,040.23
  4. Step 4: Simplify right side
    19,992.35x = 304,589,029.64
  5. Step 5: Solve for x
    x = 304,589,029.64/19,992.35
  6. Step 6: Final answer
    x = 15,235.28

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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.