Home / 35,609.38-53,376.40-13,413.15

Finding the Fourth Proportional to 35,609.38, 53,376.40 and 13,413.15

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Solution

The fourth proportional to 35,609.38, 53,376.40 and 13,413.15 is: 20,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.38 : 53,376.40 = 13,413.15 : x
  2. Step 2: Convert to fraction form
    35,609.38/53,376.40 = 13,413.15/x
  3. Step 3: Cross multiply
    35,609.38x = 53,376.40 × 13,413.15
  4. Step 4: Simplify right side
    35,609.38x = 715,945,659.66
  5. Step 5: Solve for x
    x = 715,945,659.66/35,609.38
  6. Step 6: Final answer
    x = 20,105.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.