Home / 19,157.32-26,435.46-11,198.62

Finding the Fourth Proportional to 19,157.32, 26,435.46 and 11,198.62

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Solution

The fourth proportional to 19,157.32, 26,435.46 and 11,198.62 is: 15,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.32 : 26,435.46 = 11,198.62 : x
  2. Step 2: Convert to fraction form
    19,157.32/26,435.46 = 11,198.62/x
  3. Step 3: Cross multiply
    19,157.32x = 26,435.46 × 11,198.62
  4. Step 4: Simplify right side
    19,157.32x = 296,040,671.07
  5. Step 5: Solve for x
    x = 296,040,671.07/19,157.32
  6. Step 6: Final answer
    x = 15,453.14

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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.