Home / 27,629.33-38,098.29-18,661.26

Finding the Fourth Proportional to 27,629.33, 38,098.29 and 18,661.26

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Solution

The fourth proportional to 27,629.33, 38,098.29 and 18,661.26 is: 25,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.33 : 38,098.29 = 18,661.26 : x
  2. Step 2: Convert to fraction form
    27,629.33/38,098.29 = 18,661.26/x
  3. Step 3: Cross multiply
    27,629.33x = 38,098.29 × 18,661.26
  4. Step 4: Simplify right side
    27,629.33x = 710,962,308.09
  5. Step 5: Solve for x
    x = 710,962,308.09/27,629.33
  6. Step 6: Final answer
    x = 25,732.16

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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.