Home / 27,653.60-41,480.40-9,185.60

Finding the Fourth Proportional to 27,653.60, 41,480.40 and 9,185.60

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Solution

The fourth proportional to 27,653.60, 41,480.40 and 9,185.60 is: 13,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.60 : 41,480.40 = 9,185.60 : x
  2. Step 2: Convert to fraction form
    27,653.60/41,480.40 = 9,185.60/x
  3. Step 3: Cross multiply
    27,653.60x = 41,480.40 × 9,185.60
  4. Step 4: Simplify right side
    27,653.60x = 381,022,362.24
  5. Step 5: Solve for x
    x = 381,022,362.24/27,653.60
  6. Step 6: Final answer
    x = 13,778.40

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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.