Home / 17,982.02-26,961.35-7,449.18

Finding the Fourth Proportional to 17,982.02, 26,961.35 and 7,449.18

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Solution

The fourth proportional to 17,982.02, 26,961.35 and 7,449.18 is: 11,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.02 : 26,961.35 = 7,449.18 : x
  2. Step 2: Convert to fraction form
    17,982.02/26,961.35 = 7,449.18/x
  3. Step 3: Cross multiply
    17,982.02x = 26,961.35 × 7,449.18
  4. Step 4: Simplify right side
    17,982.02x = 200,839,911.95
  5. Step 5: Solve for x
    x = 200,839,911.95/17,982.02
  6. Step 6: Final answer
    x = 11,168.93

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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.