Home / 18,979.14-26,203.53-16,986.24

Finding the Fourth Proportional to 18,979.14, 26,203.53 and 16,986.24

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Solution

The fourth proportional to 18,979.14, 26,203.53 and 16,986.24 is: 23,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.14 : 26,203.53 = 16,986.24 : x
  2. Step 2: Convert to fraction form
    18,979.14/26,203.53 = 16,986.24/x
  3. Step 3: Cross multiply
    18,979.14x = 26,203.53 × 16,986.24
  4. Step 4: Simplify right side
    18,979.14x = 445,099,449.43
  5. Step 5: Solve for x
    x = 445,099,449.43/18,979.14
  6. Step 6: Final answer
    x = 23,452.03

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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.