Home / 22,048.89-30,430.13-12,617.25

Finding the Fourth Proportional to 22,048.89, 30,430.13 and 12,617.25

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Solution

The fourth proportional to 22,048.89, 30,430.13 and 12,617.25 is: 17,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,048.89 : 30,430.13 = 12,617.25 : x
  2. Step 2: Convert to fraction form
    22,048.89/30,430.13 = 12,617.25/x
  3. Step 3: Cross multiply
    22,048.89x = 30,430.13 × 12,617.25
  4. Step 4: Simplify right side
    22,048.89x = 383,944,494.66
  5. Step 5: Solve for x
    x = 383,944,494.66/22,048.89
  6. Step 6: Final answer
    x = 17,413.33

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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.