Home / 19,645.32-27,112.32-12,093.60

Finding the Fourth Proportional to 19,645.32, 27,112.32 and 12,093.60

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Solution

The fourth proportional to 19,645.32, 27,112.32 and 12,093.60 is: 16,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.32 : 27,112.32 = 12,093.60 : x
  2. Step 2: Convert to fraction form
    19,645.32/27,112.32 = 12,093.60/x
  3. Step 3: Cross multiply
    19,645.32x = 27,112.32 × 12,093.60
  4. Step 4: Simplify right side
    19,645.32x = 327,885,553.15
  5. Step 5: Solve for x
    x = 327,885,553.15/19,645.32
  6. Step 6: Final answer
    x = 16,690.26

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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.