Home / 18,370.86-27,536.78-11,686.33

Finding the Fourth Proportional to 18,370.86, 27,536.78 and 11,686.33

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Solution

The fourth proportional to 18,370.86, 27,536.78 and 11,686.33 is: 17,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.86 : 27,536.78 = 11,686.33 : x
  2. Step 2: Convert to fraction form
    18,370.86/27,536.78 = 11,686.33/x
  3. Step 3: Cross multiply
    18,370.86x = 27,536.78 × 11,686.33
  4. Step 4: Simplify right side
    18,370.86x = 321,803,770.94
  5. Step 5: Solve for x
    x = 321,803,770.94/18,370.86
  6. Step 6: Final answer
    x = 17,517.08

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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.