Home / 22,696.79-31,318.56-12,623.22

Finding the Fourth Proportional to 22,696.79, 31,318.56 and 12,623.22

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Solution

The fourth proportional to 22,696.79, 31,318.56 and 12,623.22 is: 17,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.79 : 31,318.56 = 12,623.22 : x
  2. Step 2: Convert to fraction form
    22,696.79/31,318.56 = 12,623.22/x
  3. Step 3: Cross multiply
    22,696.79x = 31,318.56 × 12,623.22
  4. Step 4: Simplify right side
    22,696.79x = 395,341,072.96
  5. Step 5: Solve for x
    x = 395,341,072.96/22,696.79
  6. Step 6: Final answer
    x = 17,418.37

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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.