Home / 22,266.68-30,728.48-12,195.54

Finding the Fourth Proportional to 22,266.68, 30,728.48 and 12,195.54

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Solution

The fourth proportional to 22,266.68, 30,728.48 and 12,195.54 is: 16,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.68 : 30,728.48 = 12,195.54 : x
  2. Step 2: Convert to fraction form
    22,266.68/30,728.48 = 12,195.54/x
  3. Step 3: Cross multiply
    22,266.68x = 30,728.48 × 12,195.54
  4. Step 4: Simplify right side
    22,266.68x = 374,750,346.00
  5. Step 5: Solve for x
    x = 374,750,346.00/22,266.68
  6. Step 6: Final answer
    x = 16,830.10

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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.