Home / 19,196.21-26,491.31-11,238.77

Finding the Fourth Proportional to 19,196.21, 26,491.31 and 11,238.77

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Solution

The fourth proportional to 19,196.21, 26,491.31 and 11,238.77 is: 15,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.21 : 26,491.31 = 11,238.77 : x
  2. Step 2: Convert to fraction form
    19,196.21/26,491.31 = 11,238.77/x
  3. Step 3: Cross multiply
    19,196.21x = 26,491.31 × 11,238.77
  4. Step 4: Simplify right side
    19,196.21x = 297,729,551.44
  5. Step 5: Solve for x
    x = 297,729,551.44/19,196.21
  6. Step 6: Final answer
    x = 15,509.81

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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.