Home / 26,999.12-40,498.44-8,531.12

Finding the Fourth Proportional to 26,999.12, 40,498.44 and 8,531.12

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Solution

The fourth proportional to 26,999.12, 40,498.44 and 8,531.12 is: 12,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.12 : 40,498.44 = 8,531.12 : x
  2. Step 2: Convert to fraction form
    26,999.12/40,498.44 = 8,531.12/x
  3. Step 3: Cross multiply
    26,999.12x = 40,498.44 × 8,531.12
  4. Step 4: Simplify right side
    26,999.12x = 345,497,051.45
  5. Step 5: Solve for x
    x = 345,497,051.45/26,999.12
  6. Step 6: Final answer
    x = 12,796.60

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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.