Home / 17,893.37-26,853.90-12,385.20

Finding the Fourth Proportional to 17,893.37, 26,853.90 and 12,385.20

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Solution

The fourth proportional to 17,893.37, 26,853.90 and 12,385.20 is: 18,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.37 : 26,853.90 = 12,385.20 : x
  2. Step 2: Convert to fraction form
    17,893.37/26,853.90 = 12,385.20/x
  3. Step 3: Cross multiply
    17,893.37x = 26,853.90 × 12,385.20
  4. Step 4: Simplify right side
    17,893.37x = 332,590,976.54
  5. Step 5: Solve for x
    x = 332,590,976.54/17,893.37
  6. Step 6: Final answer
    x = 18,587.38

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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.