Home / 22,243.84-30,696.02-12,172.28

Finding the Fourth Proportional to 22,243.84, 30,696.02 and 12,172.28

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Solution

The fourth proportional to 22,243.84, 30,696.02 and 12,172.28 is: 16,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.84 : 30,696.02 = 12,172.28 : x
  2. Step 2: Convert to fraction form
    22,243.84/30,696.02 = 12,172.28/x
  3. Step 3: Cross multiply
    22,243.84x = 30,696.02 × 12,172.28
  4. Step 4: Simplify right side
    22,243.84x = 373,640,550.33
  5. Step 5: Solve for x
    x = 373,640,550.33/22,243.84
  6. Step 6: Final answer
    x = 16,797.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.