Home / 27,453.31-37,889.64-17,382.69

Finding the Fourth Proportional to 27,453.31, 37,889.64 and 17,382.69

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Solution

The fourth proportional to 27,453.31, 37,889.64 and 17,382.69 is: 23,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.31 : 37,889.64 = 17,382.69 : x
  2. Step 2: Convert to fraction form
    27,453.31/37,889.64 = 17,382.69/x
  3. Step 3: Cross multiply
    27,453.31x = 37,889.64 × 17,382.69
  4. Step 4: Simplify right side
    27,453.31x = 658,623,866.33
  5. Step 5: Solve for x
    x = 658,623,866.33/27,453.31
  6. Step 6: Final answer
    x = 23,990.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.