Home / 25,003.06-34,504.26-13,672.68

Finding the Fourth Proportional to 25,003.06, 34,504.26 and 13,672.68

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Solution

The fourth proportional to 25,003.06, 34,504.26 and 13,672.68 is: 18,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.06 : 34,504.26 = 13,672.68 : x
  2. Step 2: Convert to fraction form
    25,003.06/34,504.26 = 13,672.68/x
  3. Step 3: Cross multiply
    25,003.06x = 34,504.26 × 13,672.68
  4. Step 4: Simplify right side
    25,003.06x = 471,765,705.62
  5. Step 5: Solve for x
    x = 471,765,705.62/25,003.06
  6. Step 6: Final answer
    x = 18,868.32

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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.