Home / 27,759.96-41,653.62-12,969.90

Finding the Fourth Proportional to 27,759.96, 41,653.62 and 12,969.90

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Solution

The fourth proportional to 27,759.96, 41,653.62 and 12,969.90 is: 19,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.96 : 41,653.62 = 12,969.90 : x
  2. Step 2: Convert to fraction form
    27,759.96/41,653.62 = 12,969.90/x
  3. Step 3: Cross multiply
    27,759.96x = 41,653.62 × 12,969.90
  4. Step 4: Simplify right side
    27,759.96x = 540,243,286.04
  5. Step 5: Solve for x
    x = 540,243,286.04/27,759.96
  6. Step 6: Final answer
    x = 19,461.24

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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.