Home / 26,467.85-39,705.23-13,988.36

Finding the Fourth Proportional to 26,467.85, 39,705.23 and 13,988.36

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Solution

The fourth proportional to 26,467.85, 39,705.23 and 13,988.36 is: 20,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,467.85 : 39,705.23 = 13,988.36 : x
  2. Step 2: Convert to fraction form
    26,467.85/39,705.23 = 13,988.36/x
  3. Step 3: Cross multiply
    26,467.85x = 39,705.23 × 13,988.36
  4. Step 4: Simplify right side
    26,467.85x = 555,411,185.36
  5. Step 5: Solve for x
    x = 555,411,185.36/26,467.85
  6. Step 6: Final answer
    x = 20,984.37

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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.