Home / 25,811.75-35,619.53-14,480.30

Finding the Fourth Proportional to 25,811.75, 35,619.53 and 14,480.30

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Solution

The fourth proportional to 25,811.75, 35,619.53 and 14,480.30 is: 19,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,811.75 : 35,619.53 = 14,480.30 : x
  2. Step 2: Convert to fraction form
    25,811.75/35,619.53 = 14,480.30/x
  3. Step 3: Cross multiply
    25,811.75x = 35,619.53 × 14,480.30
  4. Step 4: Simplify right side
    25,811.75x = 515,781,229.76
  5. Step 5: Solve for x
    x = 515,781,229.76/25,811.75
  6. Step 6: Final answer
    x = 19,982.42

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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.