Home / 19,019.61-28,516.66-17,040.38

Finding the Fourth Proportional to 19,019.61, 28,516.66 and 17,040.38

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Solution

The fourth proportional to 19,019.61, 28,516.66 and 17,040.38 is: 25,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.61 : 28,516.66 = 17,040.38 : x
  2. Step 2: Convert to fraction form
    19,019.61/28,516.66 = 17,040.38/x
  3. Step 3: Cross multiply
    19,019.61x = 28,516.66 × 17,040.38
  4. Step 4: Simplify right side
    19,019.61x = 485,934,537.55
  5. Step 5: Solve for x
    x = 485,934,537.55/19,019.61
  6. Step 6: Final answer
    x = 25,549.13

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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.