Home / 25,640.45-35,371.69-16,684.68

Finding the Fourth Proportional to 25,640.45, 35,371.69 and 16,684.68

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Solution

The fourth proportional to 25,640.45, 35,371.69 and 16,684.68 is: 23,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.45 : 35,371.69 = 16,684.68 : x
  2. Step 2: Convert to fraction form
    25,640.45/35,371.69 = 16,684.68/x
  3. Step 3: Cross multiply
    25,640.45x = 35,371.69 × 16,684.68
  4. Step 4: Simplify right side
    25,640.45x = 590,165,419.64
  5. Step 5: Solve for x
    x = 590,165,419.64/25,640.45
  6. Step 6: Final answer
    x = 23,016.97

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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.