Home / 18,615.04-27,922.18-6,135.82

Finding the Fourth Proportional to 18,615.04, 27,922.18 and 6,135.82

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Solution

The fourth proportional to 18,615.04, 27,922.18 and 6,135.82 is: 9,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615.04 : 27,922.18 = 6,135.82 : x
  2. Step 2: Convert to fraction form
    18,615.04/27,922.18 = 6,135.82/x
  3. Step 3: Cross multiply
    18,615.04x = 27,922.18 × 6,135.82
  4. Step 4: Simplify right side
    18,615.04x = 171,325,376.03
  5. Step 5: Solve for x
    x = 171,325,376.03/18,615.04
  6. Step 6: Final answer
    x = 9,203.60

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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.