Home / 23,726.88-32,739.60-13,518

Finding the Fourth Proportional to 23,726.88, 32,739.60 and 13,518

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Solution

The fourth proportional to 23,726.88, 32,739.60 and 13,518 is: 18,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,726.88 : 32,739.60 = 13,518 : x
  2. Step 2: Convert to fraction form
    23,726.88/32,739.60 = 13,518/x
  3. Step 3: Cross multiply
    23,726.88x = 32,739.60 × 13,518
  4. Step 4: Simplify right side
    23,726.88x = 442,573,912.80
  5. Step 5: Solve for x
    x = 442,573,912.80/23,726.88
  6. Step 6: Final answer
    x = 18,652.85

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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.