Home / 19,149.44-26,422.29-11,190.11

Finding the Fourth Proportional to 19,149.44, 26,422.29 and 11,190.11

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Solution

The fourth proportional to 19,149.44, 26,422.29 and 11,190.11 is: 15,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.44 : 26,422.29 = 11,190.11 : x
  2. Step 2: Convert to fraction form
    19,149.44/26,422.29 = 11,190.11/x
  3. Step 3: Cross multiply
    19,149.44x = 26,422.29 × 11,190.11
  4. Step 4: Simplify right side
    19,149.44x = 295,668,199.44
  5. Step 5: Solve for x
    x = 295,668,199.44/19,149.44
  6. Step 6: Final answer
    x = 15,440.05

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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.