Home / 17,997.14-26,999.58-5,518.02

Finding the Fourth Proportional to 17,997.14, 26,999.58 and 5,518.02

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Solution

The fourth proportional to 17,997.14, 26,999.58 and 5,518.02 is: 8,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.14 : 26,999.58 = 5,518.02 : x
  2. Step 2: Convert to fraction form
    17,997.14/26,999.58 = 5,518.02/x
  3. Step 3: Cross multiply
    17,997.14x = 26,999.58 × 5,518.02
  4. Step 4: Simplify right side
    17,997.14x = 148,984,313.33
  5. Step 5: Solve for x
    x = 148,984,313.33/17,997.14
  6. Step 6: Final answer
    x = 8,278.22

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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.