Home / 16,671.18-22,979.52-11,291.96

Finding the Fourth Proportional to 16,671.18, 22,979.52 and 11,291.96

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Solution

The fourth proportional to 16,671.18, 22,979.52 and 11,291.96 is: 15,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.18 : 22,979.52 = 11,291.96 : x
  2. Step 2: Convert to fraction form
    16,671.18/22,979.52 = 11,291.96/x
  3. Step 3: Cross multiply
    16,671.18x = 22,979.52 × 11,291.96
  4. Step 4: Simplify right side
    16,671.18x = 259,483,820.66
  5. Step 5: Solve for x
    x = 259,483,820.66/16,671.18
  6. Step 6: Final answer
    x = 15,564.81

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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.