Home / 19,961.58-27,546.38-11,009.08

Finding the Fourth Proportional to 19,961.58, 27,546.38 and 11,009.08

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Solution

The fourth proportional to 19,961.58, 27,546.38 and 11,009.08 is: 15,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.58 : 27,546.38 = 11,009.08 : x
  2. Step 2: Convert to fraction form
    19,961.58/27,546.38 = 11,009.08/x
  3. Step 3: Cross multiply
    19,961.58x = 27,546.38 × 11,009.08
  4. Step 4: Simplify right side
    19,961.58x = 303,260,163.40
  5. Step 5: Solve for x
    x = 303,260,163.40/19,961.58
  6. Step 6: Final answer
    x = 15,192.19

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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.