Home / 16,413.78-22,645.44-9,242.58

Finding the Fourth Proportional to 16,413.78, 22,645.44 and 9,242.58

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Solution

The fourth proportional to 16,413.78, 22,645.44 and 9,242.58 is: 12,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,413.78 : 22,645.44 = 9,242.58 : x
  2. Step 2: Convert to fraction form
    16,413.78/22,645.44 = 9,242.58/x
  3. Step 3: Cross multiply
    16,413.78x = 22,645.44 × 9,242.58
  4. Step 4: Simplify right side
    16,413.78x = 209,302,290.84
  5. Step 5: Solve for x
    x = 209,302,290.84/16,413.78
  6. Step 6: Final answer
    x = 12,751.62

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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.