Home / 15,906.92-23,860.60-4,220.06

Finding the Fourth Proportional to 15,906.92, 23,860.60 and 4,220.06

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Solution

The fourth proportional to 15,906.92, 23,860.60 and 4,220.06 is: 6,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.92 : 23,860.60 = 4,220.06 : x
  2. Step 2: Convert to fraction form
    15,906.92/23,860.60 = 4,220.06/x
  3. Step 3: Cross multiply
    15,906.92x = 23,860.60 × 4,220.06
  4. Step 4: Simplify right side
    15,906.92x = 100,693,163.64
  5. Step 5: Solve for x
    x = 100,693,163.64/15,906.92
  6. Step 6: Final answer
    x = 6,330.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.