Home / 16,413.94-22,650.42-9,699.88

Finding the Fourth Proportional to 16,413.94, 22,650.42 and 9,699.88

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Solution

The fourth proportional to 16,413.94, 22,650.42 and 9,699.88 is: 13,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,413.94 : 22,650.42 = 9,699.88 : x
  2. Step 2: Convert to fraction form
    16,413.94/22,650.42 = 9,699.88/x
  3. Step 3: Cross multiply
    16,413.94x = 22,650.42 × 9,699.88
  4. Step 4: Simplify right side
    16,413.94x = 219,706,355.95
  5. Step 5: Solve for x
    x = 219,706,355.95/16,413.94
  6. Step 6: Final answer
    x = 13,385.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.