Home / 18,196.96-25,112.95-11,027.51

Finding the Fourth Proportional to 18,196.96, 25,112.95 and 11,027.51

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Solution

The fourth proportional to 18,196.96, 25,112.95 and 11,027.51 is: 15,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.96 : 25,112.95 = 11,027.51 : x
  2. Step 2: Convert to fraction form
    18,196.96/25,112.95 = 11,027.51/x
  3. Step 3: Cross multiply
    18,196.96x = 25,112.95 × 11,027.51
  4. Step 4: Simplify right side
    18,196.96x = 276,933,181.69
  5. Step 5: Solve for x
    x = 276,933,181.69/18,196.96
  6. Step 6: Final answer
    x = 15,218.65

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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.