Home / 13,003.36-17,944.40-7,413.92

Finding the Fourth Proportional to 13,003.36, 17,944.40 and 7,413.92

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Solution

The fourth proportional to 13,003.36, 17,944.40 and 7,413.92 is: 10,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.36 : 17,944.40 = 7,413.92 : x
  2. Step 2: Convert to fraction form
    13,003.36/17,944.40 = 7,413.92/x
  3. Step 3: Cross multiply
    13,003.36x = 17,944.40 × 7,413.92
  4. Step 4: Simplify right side
    13,003.36x = 133,038,346.05
  5. Step 5: Solve for x
    x = 133,038,346.05/13,003.36
  6. Step 6: Final answer
    x = 10,231.07

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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.