Home / 19,285-26,610.60-10,786.68

Finding the Fourth Proportional to 19,285, 26,610.60 and 10,786.68

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Solution

The fourth proportional to 19,285, 26,610.60 and 10,786.68 is: 14,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285 : 26,610.60 = 10,786.68 : x
  2. Step 2: Convert to fraction form
    19,285/26,610.60 = 10,786.68/x
  3. Step 3: Cross multiply
    19,285x = 26,610.60 × 10,786.68
  4. Step 4: Simplify right side
    19,285x = 287,040,026.81
  5. Step 5: Solve for x
    x = 287,040,026.81/19,285
  6. Step 6: Final answer
    x = 14,884.11

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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.