Home / 16,878.44-25,294.57-7,862.06

Finding the Fourth Proportional to 16,878.44, 25,294.57 and 7,862.06

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Solution

The fourth proportional to 16,878.44, 25,294.57 and 7,862.06 is: 11,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.44 : 25,294.57 = 7,862.06 : x
  2. Step 2: Convert to fraction form
    16,878.44/25,294.57 = 7,862.06/x
  3. Step 3: Cross multiply
    16,878.44x = 25,294.57 × 7,862.06
  4. Step 4: Simplify right side
    16,878.44x = 198,867,427.01
  5. Step 5: Solve for x
    x = 198,867,427.01/16,878.44
  6. Step 6: Final answer
    x = 11,782.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.