Home / 20,634.75-28,482.44-13,182.75

Finding the Fourth Proportional to 20,634.75, 28,482.44 and 13,182.75

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Solution

The fourth proportional to 20,634.75, 28,482.44 and 13,182.75 is: 18,196.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.75 : 28,482.44 = 13,182.75 : x
  2. Step 2: Convert to fraction form
    20,634.75/28,482.44 = 13,182.75/x
  3. Step 3: Cross multiply
    20,634.75x = 28,482.44 × 13,182.75
  4. Step 4: Simplify right side
    20,634.75x = 375,476,820.00
  5. Step 5: Solve for x
    x = 375,476,820.00/20,634.75
  6. Step 6: Final answer
    x = 18,196.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.