Home / 30,413.22-45,624.42-13,772.85

Finding the Fourth Proportional to 30,413.22, 45,624.42 and 13,772.85

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Solution

The fourth proportional to 30,413.22, 45,624.42 and 13,772.85 is: 20,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.22 : 45,624.42 = 13,772.85 : x
  2. Step 2: Convert to fraction form
    30,413.22/45,624.42 = 13,772.85/x
  3. Step 3: Cross multiply
    30,413.22x = 45,624.42 × 13,772.85
  4. Step 4: Simplify right side
    30,413.22x = 628,378,293.00
  5. Step 5: Solve for x
    x = 628,378,293.00/30,413.22
  6. Step 6: Final answer
    x = 20,661.35

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1.5x scale

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.