Home / 19,139.06-26,413.98-11,183.96

Finding the Fourth Proportional to 19,139.06, 26,413.98 and 11,183.96

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Solution

The fourth proportional to 19,139.06, 26,413.98 and 11,183.96 is: 15,435.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.06 : 26,413.98 = 11,183.96 : x
  2. Step 2: Convert to fraction form
    19,139.06/26,413.98 = 11,183.96/x
  3. Step 3: Cross multiply
    19,139.06x = 26,413.98 × 11,183.96
  4. Step 4: Simplify right side
    19,139.06x = 295,412,895.76
  5. Step 5: Solve for x
    x = 295,412,895.76/19,139.06
  6. Step 6: Final answer
    x = 15,435.08

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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.