Home / 30,195.07-41,641.89-18,865.60

Finding the Fourth Proportional to 30,195.07, 41,641.89 and 18,865.60

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Solution

The fourth proportional to 30,195.07, 41,641.89 and 18,865.60 is: 26,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.07 : 41,641.89 = 18,865.60 : x
  2. Step 2: Convert to fraction form
    30,195.07/41,641.89 = 18,865.60/x
  3. Step 3: Cross multiply
    30,195.07x = 41,641.89 × 18,865.60
  4. Step 4: Simplify right side
    30,195.07x = 785,599,239.98
  5. Step 5: Solve for x
    x = 785,599,239.98/30,195.07
  6. Step 6: Final answer
    x = 26,017.47

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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.