Home / 19,745.37-27,245.57-11,360.25

Finding the Fourth Proportional to 19,745.37, 27,245.57 and 11,360.25

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Solution

The fourth proportional to 19,745.37, 27,245.57 and 11,360.25 is: 15,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.37 : 27,245.57 = 11,360.25 : x
  2. Step 2: Convert to fraction form
    19,745.37/27,245.57 = 11,360.25/x
  3. Step 3: Cross multiply
    19,745.37x = 27,245.57 × 11,360.25
  4. Step 4: Simplify right side
    19,745.37x = 309,516,429.79
  5. Step 5: Solve for x
    x = 309,516,429.79/19,745.37
  6. Step 6: Final answer
    x = 15,675.39

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Double scale
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Similar ratio
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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.