Home / 18,717.90-28,067.48-6,233.57

Finding the Fourth Proportional to 18,717.90, 28,067.48 and 6,233.57

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Solution

The fourth proportional to 18,717.90, 28,067.48 and 6,233.57 is: 9,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.90 : 28,067.48 = 6,233.57 : x
  2. Step 2: Convert to fraction form
    18,717.90/28,067.48 = 6,233.57/x
  3. Step 3: Cross multiply
    18,717.90x = 28,067.48 × 6,233.57
  4. Step 4: Simplify right side
    18,717.90x = 174,960,558.43
  5. Step 5: Solve for x
    x = 174,960,558.43/18,717.90
  6. Step 6: Final answer
    x = 9,347.23

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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.