Home / 39,450.73-59,182.70-13,163.53

Finding the Fourth Proportional to 39,450.73, 59,182.70 and 13,163.53

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Solution

The fourth proportional to 39,450.73, 59,182.70 and 13,163.53 is: 19,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.73 : 59,182.70 = 13,163.53 : x
  2. Step 2: Convert to fraction form
    39,450.73/59,182.70 = 13,163.53/x
  3. Step 3: Cross multiply
    39,450.73x = 59,182.70 × 13,163.53
  4. Step 4: Simplify right side
    39,450.73x = 779,053,181.11
  5. Step 5: Solve for x
    x = 779,053,181.11/39,450.73
  6. Step 6: Final answer
    x = 19,747.50

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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.