Home / 26,238.99-39,370.10-13,756.03

Finding the Fourth Proportional to 26,238.99, 39,370.10 and 13,756.03

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Solution

The fourth proportional to 26,238.99, 39,370.10 and 13,756.03 is: 20,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,238.99 : 39,370.10 = 13,756.03 : x
  2. Step 2: Convert to fraction form
    26,238.99/39,370.10 = 13,756.03/x
  3. Step 3: Cross multiply
    26,238.99x = 39,370.10 × 13,756.03
  4. Step 4: Simplify right side
    26,238.99x = 541,576,186.88
  5. Step 5: Solve for x
    x = 541,576,186.88/26,238.99
  6. Step 6: Final answer
    x = 20,640.13

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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.