Home / 25,501.78-38,245.96-11,453.95

Finding the Fourth Proportional to 25,501.78, 38,245.96 and 11,453.95

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Solution

The fourth proportional to 25,501.78, 38,245.96 and 11,453.95 is: 17,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,501.78 : 38,245.96 = 11,453.95 : x
  2. Step 2: Convert to fraction form
    25,501.78/38,245.96 = 11,453.95/x
  3. Step 3: Cross multiply
    25,501.78x = 38,245.96 × 11,453.95
  4. Step 4: Simplify right side
    25,501.78x = 438,067,313.54
  5. Step 5: Solve for x
    x = 438,067,313.54/25,501.78
  6. Step 6: Final answer
    x = 17,177.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.