Home / 27,119.94-40,637.97-18,816.18

Finding the Fourth Proportional to 27,119.94, 40,637.97 and 18,816.18

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Solution

The fourth proportional to 27,119.94, 40,637.97 and 18,816.18 is: 28,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,119.94 : 40,637.97 = 18,816.18 : x
  2. Step 2: Convert to fraction form
    27,119.94/40,637.97 = 18,816.18/x
  3. Step 3: Cross multiply
    27,119.94x = 40,637.97 × 18,816.18
  4. Step 4: Simplify right side
    27,119.94x = 764,651,358.35
  5. Step 5: Solve for x
    x = 764,651,358.35/27,119.94
  6. Step 6: Final answer
    x = 28,195.17

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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.