Home / 18,407.04-27,611.49-5,261.37

Finding the Fourth Proportional to 18,407.04, 27,611.49 and 5,261.37

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Solution

The fourth proportional to 18,407.04, 27,611.49 and 5,261.37 is: 7,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.04 : 27,611.49 = 5,261.37 : x
  2. Step 2: Convert to fraction form
    18,407.04/27,611.49 = 5,261.37/x
  3. Step 3: Cross multiply
    18,407.04x = 27,611.49 × 5,261.37
  4. Step 4: Simplify right side
    18,407.04x = 145,274,265.14
  5. Step 5: Solve for x
    x = 145,274,265.14/18,407.04
  6. Step 6: Final answer
    x = 7,892.32

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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.