Home / 22,194.75-30,627.50-12,636.97

Finding the Fourth Proportional to 22,194.75, 30,627.50 and 12,636.97

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Solution

The fourth proportional to 22,194.75, 30,627.50 and 12,636.97 is: 17,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.75 : 30,627.50 = 12,636.97 : x
  2. Step 2: Convert to fraction form
    22,194.75/30,627.50 = 12,636.97/x
  3. Step 3: Cross multiply
    22,194.75x = 30,627.50 × 12,636.97
  4. Step 4: Simplify right side
    22,194.75x = 387,038,753.70
  5. Step 5: Solve for x
    x = 387,038,753.70/22,194.75
  6. Step 6: Final answer
    x = 17,438.30

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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.