Home / 22,169.57-30,594.07-12,738.13

Finding the Fourth Proportional to 22,169.57, 30,594.07 and 12,738.13

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Solution

The fourth proportional to 22,169.57, 30,594.07 and 12,738.13 is: 17,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.57 : 30,594.07 = 12,738.13 : x
  2. Step 2: Convert to fraction form
    22,169.57/30,594.07 = 12,738.13/x
  3. Step 3: Cross multiply
    22,169.57x = 30,594.07 × 12,738.13
  4. Step 4: Simplify right side
    22,169.57x = 389,711,180.33
  5. Step 5: Solve for x
    x = 389,711,180.33/22,169.57
  6. Step 6: Final answer
    x = 17,578.66

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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.