Home / 26,556.41-39,859.25-13,418.01

Finding the Fourth Proportional to 26,556.41, 39,859.25 and 13,418.01

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Solution

The fourth proportional to 26,556.41, 39,859.25 and 13,418.01 is: 20,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.41 : 39,859.25 = 13,418.01 : x
  2. Step 2: Convert to fraction form
    26,556.41/39,859.25 = 13,418.01/x
  3. Step 3: Cross multiply
    26,556.41x = 39,859.25 × 13,418.01
  4. Step 4: Simplify right side
    26,556.41x = 534,831,748.00
  5. Step 5: Solve for x
    x = 534,831,748.00/26,556.41
  6. Step 6: Final answer
    x = 20,139.46

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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.