Home / 27,651.74-38,159.44-15,076.49

Finding the Fourth Proportional to 27,651.74, 38,159.44 and 15,076.49

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Solution

The fourth proportional to 27,651.74, 38,159.44 and 15,076.49 is: 20,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.74 : 38,159.44 = 15,076.49 : x
  2. Step 2: Convert to fraction form
    27,651.74/38,159.44 = 15,076.49/x
  3. Step 3: Cross multiply
    27,651.74x = 38,159.44 × 15,076.49
  4. Step 4: Simplify right side
    27,651.74x = 575,310,548.66
  5. Step 5: Solve for x
    x = 575,310,548.66/27,651.74
  6. Step 6: Final answer
    x = 20,805.58

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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.