Home / 27,801.06-38,351.16-18,845.52

Finding the Fourth Proportional to 27,801.06, 38,351.16 and 18,845.52

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Solution

The fourth proportional to 27,801.06, 38,351.16 and 18,845.52 is: 25,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.06 : 38,351.16 = 18,845.52 : x
  2. Step 2: Convert to fraction form
    27,801.06/38,351.16 = 18,845.52/x
  3. Step 3: Cross multiply
    27,801.06x = 38,351.16 × 18,845.52
  4. Step 4: Simplify right side
    27,801.06x = 722,747,552.80
  5. Step 5: Solve for x
    x = 722,747,552.80/27,801.06
  6. Step 6: Final answer
    x = 25,997.12

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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.