Home / 26,936.80-40,365.60-19,556.80

Finding the Fourth Proportional to 26,936.80, 40,365.60 and 19,556.80

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Solution

The fourth proportional to 26,936.80, 40,365.60 and 19,556.80 is: 29,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,936.80 : 40,365.60 = 19,556.80 : x
  2. Step 2: Convert to fraction form
    26,936.80/40,365.60 = 19,556.80/x
  3. Step 3: Cross multiply
    26,936.80x = 40,365.60 × 19,556.80
  4. Step 4: Simplify right side
    26,936.80x = 789,421,966.08
  5. Step 5: Solve for x
    x = 789,421,966.08/26,936.80
  6. Step 6: Final answer
    x = 29,306.45

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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.