Home / 17,516.16-26,255.61-8,731.44

Finding the Fourth Proportional to 17,516.16, 26,255.61 and 8,731.44

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Solution

The fourth proportional to 17,516.16, 26,255.61 and 8,731.44 is: 13,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,516.16 : 26,255.61 = 8,731.44 : x
  2. Step 2: Convert to fraction form
    17,516.16/26,255.61 = 8,731.44/x
  3. Step 3: Cross multiply
    17,516.16x = 26,255.61 × 8,731.44
  4. Step 4: Simplify right side
    17,516.16x = 229,249,283.38
  5. Step 5: Solve for x
    x = 229,249,283.38/17,516.16
  6. Step 6: Final answer
    x = 13,087.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.