Home / 18,190.64-27,272.84-5,703.95

Finding the Fourth Proportional to 18,190.64, 27,272.84 and 5,703.95

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Solution

The fourth proportional to 18,190.64, 27,272.84 and 5,703.95 is: 8,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.64 : 27,272.84 = 5,703.95 : x
  2. Step 2: Convert to fraction form
    18,190.64/27,272.84 = 5,703.95/x
  3. Step 3: Cross multiply
    18,190.64x = 27,272.84 × 5,703.95
  4. Step 4: Simplify right side
    18,190.64x = 155,562,955.38
  5. Step 5: Solve for x
    x = 155,562,955.38/18,190.64
  6. Step 6: Final answer
    x = 8,551.81

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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.