Home / 19,413.22-29,102.60-7,564.25

Finding the Fourth Proportional to 19,413.22, 29,102.60 and 7,564.25

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Solution

The fourth proportional to 19,413.22, 29,102.60 and 7,564.25 is: 11,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.22 : 29,102.60 = 7,564.25 : x
  2. Step 2: Convert to fraction form
    19,413.22/29,102.60 = 7,564.25/x
  3. Step 3: Cross multiply
    19,413.22x = 29,102.60 × 7,564.25
  4. Step 4: Simplify right side
    19,413.22x = 220,139,342.05
  5. Step 5: Solve for x
    x = 220,139,342.05/19,413.22
  6. Step 6: Final answer
    x = 11,339.66

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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.