Home / 19,591.68-27,040.44-11,638.32

Finding the Fourth Proportional to 19,591.68, 27,040.44 and 11,638.32

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Solution

The fourth proportional to 19,591.68, 27,040.44 and 11,638.32 is: 16,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.68 : 27,040.44 = 11,638.32 : x
  2. Step 2: Convert to fraction form
    19,591.68/27,040.44 = 11,638.32/x
  3. Step 3: Cross multiply
    19,591.68x = 27,040.44 × 11,638.32
  4. Step 4: Simplify right side
    19,591.68x = 314,705,293.66
  5. Step 5: Solve for x
    x = 314,705,293.66/19,591.68
  6. Step 6: Final answer
    x = 16,063.21

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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.