Home / 19,991.44-27,587.98-11,039.32

Finding the Fourth Proportional to 19,991.44, 27,587.98 and 11,039.32

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Solution

The fourth proportional to 19,991.44, 27,587.98 and 11,039.32 is: 15,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.44 : 27,587.98 = 11,039.32 : x
  2. Step 2: Convert to fraction form
    19,991.44/27,587.98 = 11,039.32/x
  3. Step 3: Cross multiply
    19,991.44x = 27,587.98 × 11,039.32
  4. Step 4: Simplify right side
    19,991.44x = 304,552,539.37
  5. Step 5: Solve for x
    x = 304,552,539.37/19,991.44
  6. Step 6: Final answer
    x = 15,234.15

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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.