Home / 30,194.07-41,640.51-18,864.60

Finding the Fourth Proportional to 30,194.07, 41,640.51 and 18,864.60

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Solution

The fourth proportional to 30,194.07, 41,640.51 and 18,864.60 is: 26,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,194.07 : 41,640.51 = 18,864.60 : x
  2. Step 2: Convert to fraction form
    30,194.07/41,640.51 = 18,864.60/x
  3. Step 3: Cross multiply
    30,194.07x = 41,640.51 × 18,864.60
  4. Step 4: Simplify right side
    30,194.07x = 785,531,564.95
  5. Step 5: Solve for x
    x = 785,531,564.95/30,194.07
  6. Step 6: Final answer
    x = 26,016.09

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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.