Home / 21,494.26-29,664.21-12,062.86

Finding the Fourth Proportional to 21,494.26, 29,664.21 and 12,062.86

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Solution

The fourth proportional to 21,494.26, 29,664.21 and 12,062.86 is: 16,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494.26 : 29,664.21 = 12,062.86 : x
  2. Step 2: Convert to fraction form
    21,494.26/29,664.21 = 12,062.86/x
  3. Step 3: Cross multiply
    21,494.26x = 29,664.21 × 12,062.86
  4. Step 4: Simplify right side
    21,494.26x = 357,835,212.24
  5. Step 5: Solve for x
    x = 357,835,212.24/21,494.26
  6. Step 6: Final answer
    x = 16,647.94

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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.