Home / 22,322.36-33,448.18-18,142.20

Finding the Fourth Proportional to 22,322.36, 33,448.18 and 18,142.20

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Solution

The fourth proportional to 22,322.36, 33,448.18 and 18,142.20 is: 27,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,322.36 : 33,448.18 = 18,142.20 : x
  2. Step 2: Convert to fraction form
    22,322.36/33,448.18 = 18,142.20/x
  3. Step 3: Cross multiply
    22,322.36x = 33,448.18 × 18,142.20
  4. Step 4: Simplify right side
    22,322.36x = 606,823,571.20
  5. Step 5: Solve for x
    x = 606,823,571.20/22,322.36
  6. Step 6: Final answer
    x = 27,184.56

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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.