Home / 18,184.19-27,270.81-11,943.95

Finding the Fourth Proportional to 18,184.19, 27,270.81 and 11,943.95

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Solution

The fourth proportional to 18,184.19, 27,270.81 and 11,943.95 is: 17,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.19 : 27,270.81 = 11,943.95 : x
  2. Step 2: Convert to fraction form
    18,184.19/27,270.81 = 11,943.95/x
  3. Step 3: Cross multiply
    18,184.19x = 27,270.81 × 11,943.95
  4. Step 4: Simplify right side
    18,184.19x = 325,721,054.75
  5. Step 5: Solve for x
    x = 325,721,054.75/18,184.19
  6. Step 6: Final answer
    x = 17,912.33

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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.