Home / 27,146.45-40,664.24-13,971.15

Finding the Fourth Proportional to 27,146.45, 40,664.24 and 13,971.15

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Solution

The fourth proportional to 27,146.45, 40,664.24 and 13,971.15 is: 20,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,146.45 : 40,664.24 = 13,971.15 : x
  2. Step 2: Convert to fraction form
    27,146.45/40,664.24 = 13,971.15/x
  3. Step 3: Cross multiply
    27,146.45x = 40,664.24 × 13,971.15
  4. Step 4: Simplify right side
    27,146.45x = 568,126,196.68
  5. Step 5: Solve for x
    x = 568,126,196.68/27,146.45
  6. Step 6: Final answer
    x = 20,928.19

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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.