Home / 18,656.15-25,745.27-11,102.36

Finding the Fourth Proportional to 18,656.15, 25,745.27 and 11,102.36

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Solution

The fourth proportional to 18,656.15, 25,745.27 and 11,102.36 is: 15,321.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.15 : 25,745.27 = 11,102.36 : x
  2. Step 2: Convert to fraction form
    18,656.15/25,745.27 = 11,102.36/x
  3. Step 3: Cross multiply
    18,656.15x = 25,745.27 × 11,102.36
  4. Step 4: Simplify right side
    18,656.15x = 285,833,071.60
  5. Step 5: Solve for x
    x = 285,833,071.60/18,656.15
  6. Step 6: Final answer
    x = 15,321.12

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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.