Home / 20,413.88-30,613.51-7,263.62

Finding the Fourth Proportional to 20,413.88, 30,613.51 and 7,263.62

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Solution

The fourth proportional to 20,413.88, 30,613.51 and 7,263.62 is: 10,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.88 : 30,613.51 = 7,263.62 : x
  2. Step 2: Convert to fraction form
    20,413.88/30,613.51 = 7,263.62/x
  3. Step 3: Cross multiply
    20,413.88x = 30,613.51 × 7,263.62
  4. Step 4: Simplify right side
    20,413.88x = 222,364,903.51
  5. Step 5: Solve for x
    x = 222,364,903.51/20,413.88
  6. Step 6: Final answer
    x = 10,892.83

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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.