Home / 22,273.85-30,740.51-12,842.75

Finding the Fourth Proportional to 22,273.85, 30,740.51 and 12,842.75

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Solution

The fourth proportional to 22,273.85, 30,740.51 and 12,842.75 is: 17,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.85 : 30,740.51 = 12,842.75 : x
  2. Step 2: Convert to fraction form
    22,273.85/30,740.51 = 12,842.75/x
  3. Step 3: Cross multiply
    22,273.85x = 30,740.51 × 12,842.75
  4. Step 4: Simplify right side
    22,273.85x = 394,792,684.80
  5. Step 5: Solve for x
    x = 394,792,684.80/22,273.85
  6. Step 6: Final answer
    x = 17,724.49

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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.