Home / 13,173.09-19,762.07-4,169.47

Finding the Fourth Proportional to 13,173.09, 19,762.07 and 4,169.47

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Solution

The fourth proportional to 13,173.09, 19,762.07 and 4,169.47 is: 6,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.09 : 19,762.07 = 4,169.47 : x
  2. Step 2: Convert to fraction form
    13,173.09/19,762.07 = 4,169.47/x
  3. Step 3: Cross multiply
    13,173.09x = 19,762.07 × 4,169.47
  4. Step 4: Simplify right side
    13,173.09x = 82,397,405.48
  5. Step 5: Solve for x
    x = 82,397,405.48/13,173.09
  6. Step 6: Final answer
    x = 6,254.98

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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.