Home / 25,876.26-35,661.87-18,790.38

Finding the Fourth Proportional to 25,876.26, 35,661.87 and 18,790.38

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Solution

The fourth proportional to 25,876.26, 35,661.87 and 18,790.38 is: 25,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,876.26 : 35,661.87 = 18,790.38 : x
  2. Step 2: Convert to fraction form
    25,876.26/35,661.87 = 18,790.38/x
  3. Step 3: Cross multiply
    25,876.26x = 35,661.87 × 18,790.38
  4. Step 4: Simplify right side
    25,876.26x = 670,100,088.81
  5. Step 5: Solve for x
    x = 670,100,088.81/25,876.26
  6. Step 6: Final answer
    x = 25,896.33

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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.