Home / 27,424.81-41,129.06-11,629.60

Finding the Fourth Proportional to 27,424.81, 41,129.06 and 11,629.60

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Solution

The fourth proportional to 27,424.81, 41,129.06 and 11,629.60 is: 17,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.81 : 41,129.06 = 11,629.60 : x
  2. Step 2: Convert to fraction form
    27,424.81/41,129.06 = 11,629.60/x
  3. Step 3: Cross multiply
    27,424.81x = 41,129.06 × 11,629.60
  4. Step 4: Simplify right side
    27,424.81x = 478,314,619.26
  5. Step 5: Solve for x
    x = 478,314,619.26/27,424.81
  6. Step 6: Final answer
    x = 17,440.95

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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.