Home / 26,424.48-39,631.68-13,273.20

Finding the Fourth Proportional to 26,424.48, 39,631.68 and 13,273.20

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Solution

The fourth proportional to 26,424.48, 39,631.68 and 13,273.20 is: 19,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.48 : 39,631.68 = 13,273.20 : x
  2. Step 2: Convert to fraction form
    26,424.48/39,631.68 = 13,273.20/x
  3. Step 3: Cross multiply
    26,424.48x = 39,631.68 × 13,273.20
  4. Step 4: Simplify right side
    26,424.48x = 526,039,214.98
  5. Step 5: Solve for x
    x = 526,039,214.98/26,424.48
  6. Step 6: Final answer
    x = 19,907.27

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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.