Home / 22,629.94-31,229.33-12,558.39

Finding the Fourth Proportional to 22,629.94, 31,229.33 and 12,558.39

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Solution

The fourth proportional to 22,629.94, 31,229.33 and 12,558.39 is: 17,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,629.94 : 31,229.33 = 12,558.39 : x
  2. Step 2: Convert to fraction form
    22,629.94/31,229.33 = 12,558.39/x
  3. Step 3: Cross multiply
    22,629.94x = 31,229.33 × 12,558.39
  4. Step 4: Simplify right side
    22,629.94x = 392,190,113.80
  5. Step 5: Solve for x
    x = 392,190,113.80/22,629.94
  6. Step 6: Final answer
    x = 17,330.59

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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.