Home / 16,969.03-23,367.93-15,886

Finding the Fourth Proportional to 16,969.03, 23,367.93 and 15,886

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Solution

The fourth proportional to 16,969.03, 23,367.93 and 15,886 is: 21,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.03 : 23,367.93 = 15,886 : x
  2. Step 2: Convert to fraction form
    16,969.03/23,367.93 = 15,886/x
  3. Step 3: Cross multiply
    16,969.03x = 23,367.93 × 15,886
  4. Step 4: Simplify right side
    16,969.03x = 371,222,935.98
  5. Step 5: Solve for x
    x = 371,222,935.98/16,969.03
  6. Step 6: Final answer
    x = 21,876.50

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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.