Home / 17,203.68-25,804.04-12,185.30

Finding the Fourth Proportional to 17,203.68, 25,804.04 and 12,185.30

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Solution

The fourth proportional to 17,203.68, 25,804.04 and 12,185.30 is: 18,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,203.68 : 25,804.04 = 12,185.30 : x
  2. Step 2: Convert to fraction form
    17,203.68/25,804.04 = 12,185.30/x
  3. Step 3: Cross multiply
    17,203.68x = 25,804.04 × 12,185.30
  4. Step 4: Simplify right side
    17,203.68x = 314,429,968.61
  5. Step 5: Solve for x
    x = 314,429,968.61/17,203.68
  6. Step 6: Final answer
    x = 18,276.90

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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.