Home / 18,894.16-28,340.52-5,043.04

Finding the Fourth Proportional to 18,894.16, 28,340.52 and 5,043.04

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Solution

The fourth proportional to 18,894.16, 28,340.52 and 5,043.04 is: 7,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.16 : 28,340.52 = 5,043.04 : x
  2. Step 2: Convert to fraction form
    18,894.16/28,340.52 = 5,043.04/x
  3. Step 3: Cross multiply
    18,894.16x = 28,340.52 × 5,043.04
  4. Step 4: Simplify right side
    18,894.16x = 142,922,375.98
  5. Step 5: Solve for x
    x = 142,922,375.98/18,894.16
  6. Step 6: Final answer
    x = 7,564.37

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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.