Home / 26,999.06-40,476.71-12,200.36

Finding the Fourth Proportional to 26,999.06, 40,476.71 and 12,200.36

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Solution

The fourth proportional to 26,999.06, 40,476.71 and 12,200.36 is: 18,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.06 : 40,476.71 = 12,200.36 : x
  2. Step 2: Convert to fraction form
    26,999.06/40,476.71 = 12,200.36/x
  3. Step 3: Cross multiply
    26,999.06x = 40,476.71 × 12,200.36
  4. Step 4: Simplify right side
    26,999.06x = 493,830,261.73
  5. Step 5: Solve for x
    x = 493,830,261.73/26,999.06
  6. Step 6: Final answer
    x = 18,290.65

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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.