Home / 13,942.08-19,236.33-8,272.11

Finding the Fourth Proportional to 13,942.08, 19,236.33 and 8,272.11

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Solution

The fourth proportional to 13,942.08, 19,236.33 and 8,272.11 is: 11,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.08 : 19,236.33 = 8,272.11 : x
  2. Step 2: Convert to fraction form
    13,942.08/19,236.33 = 8,272.11/x
  3. Step 3: Cross multiply
    13,942.08x = 19,236.33 × 8,272.11
  4. Step 4: Simplify right side
    13,942.08x = 159,125,037.76
  5. Step 5: Solve for x
    x = 159,125,037.76/13,942.08
  6. Step 6: Final answer
    x = 11,413.29

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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.