Home / 26,918.97-40,380.52-8,200.59

Finding the Fourth Proportional to 26,918.97, 40,380.52 and 8,200.59

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Solution

The fourth proportional to 26,918.97, 40,380.52 and 8,200.59 is: 12,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.97 : 40,380.52 = 8,200.59 : x
  2. Step 2: Convert to fraction form
    26,918.97/40,380.52 = 8,200.59/x
  3. Step 3: Cross multiply
    26,918.97x = 40,380.52 × 8,200.59
  4. Step 4: Simplify right side
    26,918.97x = 331,144,088.51
  5. Step 5: Solve for x
    x = 331,144,088.51/26,918.97
  6. Step 6: Final answer
    x = 12,301.51

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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.