Home / 27,179.14-40,735.68-19,765.12

Finding the Fourth Proportional to 27,179.14, 40,735.68 and 19,765.12

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Solution

The fourth proportional to 27,179.14, 40,735.68 and 19,765.12 is: 29,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,179.14 : 40,735.68 = 19,765.12 : x
  2. Step 2: Convert to fraction form
    27,179.14/40,735.68 = 19,765.12/x
  3. Step 3: Cross multiply
    27,179.14x = 40,735.68 × 19,765.12
  4. Step 4: Simplify right side
    27,179.14x = 805,145,603.48
  5. Step 5: Solve for x
    x = 805,145,603.48/27,179.14
  6. Step 6: Final answer
    x = 29,623.66

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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.