Home / 26,682.90-40,012.20-11,884.20

Finding the Fourth Proportional to 26,682.90, 40,012.20 and 11,884.20

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Solution

The fourth proportional to 26,682.90, 40,012.20 and 11,884.20 is: 17,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,682.90 : 40,012.20 = 11,884.20 : x
  2. Step 2: Convert to fraction form
    26,682.90/40,012.20 = 11,884.20/x
  3. Step 3: Cross multiply
    26,682.90x = 40,012.20 × 11,884.20
  4. Step 4: Simplify right side
    26,682.90x = 475,512,987.24
  5. Step 5: Solve for x
    x = 475,512,987.24/26,682.90
  6. Step 6: Final answer
    x = 17,820.89

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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.