Home / 26,822.97-40,242.69-12,800.88

Finding the Fourth Proportional to 26,822.97, 40,242.69 and 12,800.88

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Solution

The fourth proportional to 26,822.97, 40,242.69 and 12,800.88 is: 19,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.97 : 40,242.69 = 12,800.88 : x
  2. Step 2: Convert to fraction form
    26,822.97/40,242.69 = 12,800.88/x
  3. Step 3: Cross multiply
    26,822.97x = 40,242.69 × 12,800.88
  4. Step 4: Simplify right side
    26,822.97x = 515,141,845.57
  5. Step 5: Solve for x
    x = 515,141,845.57/26,822.97
  6. Step 6: Final answer
    x = 19,205.25

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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.