Home / 19,103.67-28,636.06-17,689.41

Finding the Fourth Proportional to 19,103.67, 28,636.06 and 17,689.41

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Solution

The fourth proportional to 19,103.67, 28,636.06 and 17,689.41 is: 26,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.67 : 28,636.06 = 17,689.41 : x
  2. Step 2: Convert to fraction form
    19,103.67/28,636.06 = 17,689.41/x
  3. Step 3: Cross multiply
    19,103.67x = 28,636.06 × 17,689.41
  4. Step 4: Simplify right side
    19,103.67x = 506,554,818.72
  5. Step 5: Solve for x
    x = 506,554,818.72/19,103.67
  6. Step 6: Final answer
    x = 26,516.11

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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.