Home / 18,965.79-26,172.87-10,467.98

Finding the Fourth Proportional to 18,965.79, 26,172.87 and 10,467.98

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Solution

The fourth proportional to 18,965.79, 26,172.87 and 10,467.98 is: 14,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.79 : 26,172.87 = 10,467.98 : x
  2. Step 2: Convert to fraction form
    18,965.79/26,172.87 = 10,467.98/x
  3. Step 3: Cross multiply
    18,965.79x = 26,172.87 × 10,467.98
  4. Step 4: Simplify right side
    18,965.79x = 273,977,147.59
  5. Step 5: Solve for x
    x = 273,977,147.59/18,965.79
  6. Step 6: Final answer
    x = 14,445.86

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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.