Home / 22,243.65-30,696.24-12,172.09

Finding the Fourth Proportional to 22,243.65, 30,696.24 and 12,172.09

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Solution

The fourth proportional to 22,243.65, 30,696.24 and 12,172.09 is: 16,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.65 : 30,696.24 = 12,172.09 : x
  2. Step 2: Convert to fraction form
    22,243.65/30,696.24 = 12,172.09/x
  3. Step 3: Cross multiply
    22,243.65x = 30,696.24 × 12,172.09
  4. Step 4: Simplify right side
    22,243.65x = 373,637,466.32
  5. Step 5: Solve for x
    x = 373,637,466.32/22,243.65
  6. Step 6: Final answer
    x = 16,797.49

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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.