Home / 27,676.73-38,196.95-15,742.37

Finding the Fourth Proportional to 27,676.73, 38,196.95 and 15,742.37

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Solution

The fourth proportional to 27,676.73, 38,196.95 and 15,742.37 is: 21,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.73 : 38,196.95 = 15,742.37 : x
  2. Step 2: Convert to fraction form
    27,676.73/38,196.95 = 15,742.37/x
  3. Step 3: Cross multiply
    27,676.73x = 38,196.95 × 15,742.37
  4. Step 4: Simplify right side
    27,676.73x = 601,310,250.07
  5. Step 5: Solve for x
    x = 601,310,250.07/27,676.73
  6. Step 6: Final answer
    x = 21,726.21

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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.