Home / 15,196.33-20,970.66-8,481.84

Finding the Fourth Proportional to 15,196.33, 20,970.66 and 8,481.84

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Solution

The fourth proportional to 15,196.33, 20,970.66 and 8,481.84 is: 11,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.33 : 20,970.66 = 8,481.84 : x
  2. Step 2: Convert to fraction form
    15,196.33/20,970.66 = 8,481.84/x
  3. Step 3: Cross multiply
    15,196.33x = 20,970.66 × 8,481.84
  4. Step 4: Simplify right side
    15,196.33x = 177,869,782.81
  5. Step 5: Solve for x
    x = 177,869,782.81/15,196.33
  6. Step 6: Final answer
    x = 11,704.79

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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.