Home / 19,629.11-27,095.21-11,671.31

Finding the Fourth Proportional to 19,629.11, 27,095.21 and 11,671.31

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Solution

The fourth proportional to 19,629.11, 27,095.21 and 11,671.31 is: 16,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.11 : 27,095.21 = 11,671.31 : x
  2. Step 2: Convert to fraction form
    19,629.11/27,095.21 = 11,671.31/x
  3. Step 3: Cross multiply
    19,629.11x = 27,095.21 × 11,671.31
  4. Step 4: Simplify right side
    19,629.11x = 316,236,714.23
  5. Step 5: Solve for x
    x = 316,236,714.23/19,629.11
  6. Step 6: Final answer
    x = 16,110.60

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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.