Home / 22,257.75-30,716.06-12,186.02

Finding the Fourth Proportional to 22,257.75, 30,716.06 and 12,186.02

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Solution

The fourth proportional to 22,257.75, 30,716.06 and 12,186.02 is: 16,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,257.75 : 30,716.06 = 12,186.02 : x
  2. Step 2: Convert to fraction form
    22,257.75/30,716.06 = 12,186.02/x
  3. Step 3: Cross multiply
    22,257.75x = 30,716.06 × 12,186.02
  4. Step 4: Simplify right side
    22,257.75x = 374,306,521.48
  5. Step 5: Solve for x
    x = 374,306,521.48/22,257.75
  6. Step 6: Final answer
    x = 16,816.91

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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.