Home / 17,084.40-25,618.90-7,218.60

Finding the Fourth Proportional to 17,084.40, 25,618.90 and 7,218.60

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Solution

The fourth proportional to 17,084.40, 25,618.90 and 7,218.60 is: 10,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,084.40 : 25,618.90 = 7,218.60 : x
  2. Step 2: Convert to fraction form
    17,084.40/25,618.90 = 7,218.60/x
  3. Step 3: Cross multiply
    17,084.40x = 25,618.90 × 7,218.60
  4. Step 4: Simplify right side
    17,084.40x = 184,932,591.54
  5. Step 5: Solve for x
    x = 184,932,591.54/17,084.40
  6. Step 6: Final answer
    x = 10,824.65

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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.