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Finding the Fourth Proportional to 15,196.08, 20,968.74 and 8,482.08

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Solution

The fourth proportional to 15,196.08, 20,968.74 and 8,482.08 is: 11,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.08 : 20,968.74 = 8,482.08 : x
  2. Step 2: Convert to fraction form
    15,196.08/20,968.74 = 8,482.08/x
  3. Step 3: Cross multiply
    15,196.08x = 20,968.74 × 8,482.08
  4. Step 4: Simplify right side
    15,196.08x = 177,858,530.18
  5. Step 5: Solve for x
    x = 177,858,530.18/15,196.08
  6. Step 6: Final answer
    x = 11,704.24

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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.