Home / 16,137.40-22,263.38-11,898.54

Finding the Fourth Proportional to 16,137.40, 22,263.38 and 11,898.54

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Solution

The fourth proportional to 16,137.40, 22,263.38 and 11,898.54 is: 16,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,137.40 : 22,263.38 = 11,898.54 : x
  2. Step 2: Convert to fraction form
    16,137.40/22,263.38 = 11,898.54/x
  3. Step 3: Cross multiply
    16,137.40x = 22,263.38 × 11,898.54
  4. Step 4: Simplify right side
    16,137.40x = 264,901,717.47
  5. Step 5: Solve for x
    x = 264,901,717.47/16,137.40
  6. Step 6: Final answer
    x = 16,415.39

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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.