Home / 27,012.45-40,518.72-7,291.02

Finding the Fourth Proportional to 27,012.45, 40,518.72 and 7,291.02

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Solution

The fourth proportional to 27,012.45, 40,518.72 and 7,291.02 is: 10,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.45 : 40,518.72 = 7,291.02 : x
  2. Step 2: Convert to fraction form
    27,012.45/40,518.72 = 7,291.02/x
  3. Step 3: Cross multiply
    27,012.45x = 40,518.72 × 7,291.02
  4. Step 4: Simplify right side
    27,012.45x = 295,422,797.89
  5. Step 5: Solve for x
    x = 295,422,797.89/27,012.45
  6. Step 6: Final answer
    x = 10,936.54

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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.