Home / 13,132.73-19,699.43-3,772.37

Finding the Fourth Proportional to 13,132.73, 19,699.43 and 3,772.37

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Solution

The fourth proportional to 13,132.73, 19,699.43 and 3,772.37 is: 5,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.73 : 19,699.43 = 3,772.37 : x
  2. Step 2: Convert to fraction form
    13,132.73/19,699.43 = 3,772.37/x
  3. Step 3: Cross multiply
    13,132.73x = 19,699.43 × 3,772.37
  4. Step 4: Simplify right side
    13,132.73x = 74,313,421.39
  5. Step 5: Solve for x
    x = 74,313,421.39/13,132.73
  6. Step 6: Final answer
    x = 5,658.64

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1.5x scale

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.