Home / 13,818.28-20,735.52-5,054.08

Finding the Fourth Proportional to 13,818.28, 20,735.52 and 5,054.08

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Solution

The fourth proportional to 13,818.28, 20,735.52 and 5,054.08 is: 7,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.28 : 20,735.52 = 5,054.08 : x
  2. Step 2: Convert to fraction form
    13,818.28/20,735.52 = 5,054.08/x
  3. Step 3: Cross multiply
    13,818.28x = 20,735.52 × 5,054.08
  4. Step 4: Simplify right side
    13,818.28x = 104,798,976.92
  5. Step 5: Solve for x
    x = 104,798,976.92/13,818.28
  6. Step 6: Final answer
    x = 7,584.08

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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.