Home / 19,194.21-26,488.07-11,129.43

Finding the Fourth Proportional to 19,194.21, 26,488.07 and 11,129.43

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Solution

The fourth proportional to 19,194.21, 26,488.07 and 11,129.43 is: 15,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.21 : 26,488.07 = 11,129.43 : x
  2. Step 2: Convert to fraction form
    19,194.21/26,488.07 = 11,129.43/x
  3. Step 3: Cross multiply
    19,194.21x = 26,488.07 × 11,129.43
  4. Step 4: Simplify right side
    19,194.21x = 294,797,120.90
  5. Step 5: Solve for x
    x = 294,797,120.90/19,194.21
  6. Step 6: Final answer
    x = 15,358.65

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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.