Home / 25,918-35,771.16-19,619.44

Finding the Fourth Proportional to 25,918, 35,771.16 and 19,619.44

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Solution

The fourth proportional to 25,918, 35,771.16 and 19,619.44 is: 27,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918 : 35,771.16 = 19,619.44 : x
  2. Step 2: Convert to fraction form
    25,918/35,771.16 = 19,619.44/x
  3. Step 3: Cross multiply
    25,918x = 35,771.16 × 19,619.44
  4. Step 4: Simplify right side
    25,918x = 701,810,127.35
  5. Step 5: Solve for x
    x = 701,810,127.35/25,918
  6. Step 6: Final answer
    x = 27,078.10

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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.