Home / 27,170.16-40,755.52-7,448.72

Finding the Fourth Proportional to 27,170.16, 40,755.52 and 7,448.72

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Solution

The fourth proportional to 27,170.16, 40,755.52 and 7,448.72 is: 11,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,170.16 : 40,755.52 = 7,448.72 : x
  2. Step 2: Convert to fraction form
    27,170.16/40,755.52 = 7,448.72/x
  3. Step 3: Cross multiply
    27,170.16x = 40,755.52 × 7,448.72
  4. Step 4: Simplify right side
    27,170.16x = 303,576,456.93
  5. Step 5: Solve for x
    x = 303,576,456.93/27,170.16
  6. Step 6: Final answer
    x = 11,173.16

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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.