Home / 13,818.31-20,733.54-5,054.53

Finding the Fourth Proportional to 13,818.31, 20,733.54 and 5,054.53

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Solution

The fourth proportional to 13,818.31, 20,733.54 and 5,054.53 is: 7,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.31 : 20,733.54 = 5,054.53 : x
  2. Step 2: Convert to fraction form
    13,818.31/20,733.54 = 5,054.53/x
  3. Step 3: Cross multiply
    13,818.31x = 20,733.54 × 5,054.53
  4. Step 4: Simplify right side
    13,818.31x = 104,798,299.94
  5. Step 5: Solve for x
    x = 104,798,299.94/13,818.31
  6. Step 6: Final answer
    x = 7,584.02

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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.