Home / 19,453.11-29,150.51-11,653.35

Finding the Fourth Proportional to 19,453.11, 29,150.51 and 11,653.35

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Solution

The fourth proportional to 19,453.11, 29,150.51 and 11,653.35 is: 17,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.11 : 29,150.51 = 11,653.35 : x
  2. Step 2: Convert to fraction form
    19,453.11/29,150.51 = 11,653.35/x
  3. Step 3: Cross multiply
    19,453.11x = 29,150.51 × 11,653.35
  4. Step 4: Simplify right side
    19,453.11x = 339,701,037.44
  5. Step 5: Solve for x
    x = 339,701,037.44/19,453.11
  6. Step 6: Final answer
    x = 17,462.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.