Home / 19,083.60-28,616.70-12,413.52

Finding the Fourth Proportional to 19,083.60, 28,616.70 and 12,413.52

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Solution

The fourth proportional to 19,083.60, 28,616.70 and 12,413.52 is: 18,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.60 : 28,616.70 = 12,413.52 : x
  2. Step 2: Convert to fraction form
    19,083.60/28,616.70 = 12,413.52/x
  3. Step 3: Cross multiply
    19,083.60x = 28,616.70 × 12,413.52
  4. Step 4: Simplify right side
    19,083.60x = 355,233,977.78
  5. Step 5: Solve for x
    x = 355,233,977.78/19,083.60
  6. Step 6: Final answer
    x = 18,614.62

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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.