Home / 18,469.74-25,470.94-14,705.33

Finding the Fourth Proportional to 18,469.74, 25,470.94 and 14,705.33

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Solution

The fourth proportional to 18,469.74, 25,470.94 and 14,705.33 is: 20,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.74 : 25,470.94 = 14,705.33 : x
  2. Step 2: Convert to fraction form
    18,469.74/25,470.94 = 14,705.33/x
  3. Step 3: Cross multiply
    18,469.74x = 25,470.94 × 14,705.33
  4. Step 4: Simplify right side
    18,469.74x = 374,558,504.58
  5. Step 5: Solve for x
    x = 374,558,504.58/18,469.74
  6. Step 6: Final answer
    x = 20,279.58

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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.