Home / 12,954.48-19,413.18-5,556.96

Finding the Fourth Proportional to 12,954.48, 19,413.18 and 5,556.96

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Solution

The fourth proportional to 12,954.48, 19,413.18 and 5,556.96 is: 8,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954.48 : 19,413.18 = 5,556.96 : x
  2. Step 2: Convert to fraction form
    12,954.48/19,413.18 = 5,556.96/x
  3. Step 3: Cross multiply
    12,954.48x = 19,413.18 × 5,556.96
  4. Step 4: Simplify right side
    12,954.48x = 107,878,264.73
  5. Step 5: Solve for x
    x = 107,878,264.73/12,954.48
  6. Step 6: Final answer
    x = 8,327.49

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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.