Home / 20,263.06-27,963.21-11,650.54

Finding the Fourth Proportional to 20,263.06, 27,963.21 and 11,650.54

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Solution

The fourth proportional to 20,263.06, 27,963.21 and 11,650.54 is: 16,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.06 : 27,963.21 = 11,650.54 : x
  2. Step 2: Convert to fraction form
    20,263.06/27,963.21 = 11,650.54/x
  3. Step 3: Cross multiply
    20,263.06x = 27,963.21 × 11,650.54
  4. Step 4: Simplify right side
    20,263.06x = 325,786,496.63
  5. Step 5: Solve for x
    x = 325,786,496.63/20,263.06
  6. Step 6: Final answer
    x = 16,077.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.