Home / 19,103.92-28,636.43-17,689.66

Finding the Fourth Proportional to 19,103.92, 28,636.43 and 17,689.66

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Solution

The fourth proportional to 19,103.92, 28,636.43 and 17,689.66 is: 26,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.92 : 28,636.43 = 17,689.66 : x
  2. Step 2: Convert to fraction form
    19,103.92/28,636.43 = 17,689.66/x
  3. Step 3: Cross multiply
    19,103.92x = 28,636.43 × 17,689.66
  4. Step 4: Simplify right side
    19,103.92x = 506,568,567.13
  5. Step 5: Solve for x
    x = 506,568,567.13/19,103.92
  6. Step 6: Final answer
    x = 26,516.48

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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.