Home / 26,427.78-36,481.97-18,501.12

Finding the Fourth Proportional to 26,427.78, 36,481.97 and 18,501.12

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Solution

The fourth proportional to 26,427.78, 36,481.97 and 18,501.12 is: 25,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.78 : 36,481.97 = 18,501.12 : x
  2. Step 2: Convert to fraction form
    26,427.78/36,481.97 = 18,501.12/x
  3. Step 3: Cross multiply
    26,427.78x = 36,481.97 × 18,501.12
  4. Step 4: Simplify right side
    26,427.78x = 674,957,304.81
  5. Step 5: Solve for x
    x = 674,957,304.81/26,427.78
  6. Step 6: Final answer
    x = 25,539.69

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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.