Home / 26,556.36-39,828.30-9,918.04

Finding the Fourth Proportional to 26,556.36, 39,828.30 and 9,918.04

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Solution

The fourth proportional to 26,556.36, 39,828.30 and 9,918.04 is: 14,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.36 : 39,828.30 = 9,918.04 : x
  2. Step 2: Convert to fraction form
    26,556.36/39,828.30 = 9,918.04/x
  3. Step 3: Cross multiply
    26,556.36x = 39,828.30 × 9,918.04
  4. Step 4: Simplify right side
    26,556.36x = 395,018,672.53
  5. Step 5: Solve for x
    x = 395,018,672.53/26,556.36
  6. Step 6: Final answer
    x = 14,874.73

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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.