Home / 13,188.37-19,784.49-3,827.17

Finding the Fourth Proportional to 13,188.37, 19,784.49 and 3,827.17

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Solution

The fourth proportional to 13,188.37, 19,784.49 and 3,827.17 is: 5,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.37 : 19,784.49 = 3,827.17 : x
  2. Step 2: Convert to fraction form
    13,188.37/19,784.49 = 3,827.17/x
  3. Step 3: Cross multiply
    13,188.37x = 19,784.49 × 3,827.17
  4. Step 4: Simplify right side
    13,188.37x = 75,718,507.67
  5. Step 5: Solve for x
    x = 75,718,507.67/13,188.37
  6. Step 6: Final answer
    x = 5,741.31

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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.