Home / 26,537.98-39,756.36-13,678.42

Finding the Fourth Proportional to 26,537.98, 39,756.36 and 13,678.42

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Solution

The fourth proportional to 26,537.98, 39,756.36 and 13,678.42 is: 20,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,537.98 : 39,756.36 = 13,678.42 : x
  2. Step 2: Convert to fraction form
    26,537.98/39,756.36 = 13,678.42/x
  3. Step 3: Cross multiply
    26,537.98x = 39,756.36 × 13,678.42
  4. Step 4: Simplify right side
    26,537.98x = 543,804,189.75
  5. Step 5: Solve for x
    x = 543,804,189.75/26,537.98
  6. Step 6: Final answer
    x = 20,491.54

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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.