Home / 16,845.75-23,078.66-16,214.87

Finding the Fourth Proportional to 16,845.75, 23,078.66 and 16,214.87

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Solution

The fourth proportional to 16,845.75, 23,078.66 and 16,214.87 is: 22,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.75 : 23,078.66 = 16,214.87 : x
  2. Step 2: Convert to fraction form
    16,845.75/23,078.66 = 16,214.87/x
  3. Step 3: Cross multiply
    16,845.75x = 23,078.66 × 16,214.87
  4. Step 4: Simplify right side
    16,845.75x = 374,217,275.21
  5. Step 5: Solve for x
    x = 374,217,275.21/16,845.75
  6. Step 6: Final answer
    x = 22,214.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.