Home / 27,121.47-40,626.33-13,039.92

Finding the Fourth Proportional to 27,121.47, 40,626.33 and 13,039.92

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Solution

The fourth proportional to 27,121.47, 40,626.33 and 13,039.92 is: 19,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.47 : 40,626.33 = 13,039.92 : x
  2. Step 2: Convert to fraction form
    27,121.47/40,626.33 = 13,039.92/x
  3. Step 3: Cross multiply
    27,121.47x = 40,626.33 × 13,039.92
  4. Step 4: Simplify right side
    27,121.47x = 529,764,093.09
  5. Step 5: Solve for x
    x = 529,764,093.09/27,121.47
  6. Step 6: Final answer
    x = 19,533.02

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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.