Home / 22,728.14-33,919.44-21,224.18

Finding the Fourth Proportional to 22,728.14, 33,919.44 and 21,224.18

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Solution

The fourth proportional to 22,728.14, 33,919.44 and 21,224.18 is: 31,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.14 : 33,919.44 = 21,224.18 : x
  2. Step 2: Convert to fraction form
    22,728.14/33,919.44 = 21,224.18/x
  3. Step 3: Cross multiply
    22,728.14x = 33,919.44 × 21,224.18
  4. Step 4: Simplify right side
    22,728.14x = 719,912,300.06
  5. Step 5: Solve for x
    x = 719,912,300.06/22,728.14
  6. Step 6: Final answer
    x = 31,674.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.