Home / 17,120.34-25,681.68-5,433.48

Finding the Fourth Proportional to 17,120.34, 25,681.68 and 5,433.48

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Solution

The fourth proportional to 17,120.34, 25,681.68 and 5,433.48 is: 8,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.34 : 25,681.68 = 5,433.48 : x
  2. Step 2: Convert to fraction form
    17,120.34/25,681.68 = 5,433.48/x
  3. Step 3: Cross multiply
    17,120.34x = 25,681.68 × 5,433.48
  4. Step 4: Simplify right side
    17,120.34x = 139,540,894.65
  5. Step 5: Solve for x
    x = 139,540,894.65/17,120.34
  6. Step 6: Final answer
    x = 8,150.59

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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.