Home / 20,726.37-28,601.49-11,773.84

Finding the Fourth Proportional to 20,726.37, 28,601.49 and 11,773.84

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Solution

The fourth proportional to 20,726.37, 28,601.49 and 11,773.84 is: 16,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726.37 : 28,601.49 = 11,773.84 : x
  2. Step 2: Convert to fraction form
    20,726.37/28,601.49 = 11,773.84/x
  3. Step 3: Cross multiply
    20,726.37x = 28,601.49 × 11,773.84
  4. Step 4: Simplify right side
    20,726.37x = 336,749,367.02
  5. Step 5: Solve for x
    x = 336,749,367.02/20,726.37
  6. Step 6: Final answer
    x = 16,247.39

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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.