Home / 18,962.25-28,440.87-5,634.96

Finding the Fourth Proportional to 18,962.25, 28,440.87 and 5,634.96

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Solution

The fourth proportional to 18,962.25, 28,440.87 and 5,634.96 is: 8,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.25 : 28,440.87 = 5,634.96 : x
  2. Step 2: Convert to fraction form
    18,962.25/28,440.87 = 5,634.96/x
  3. Step 3: Cross multiply
    18,962.25x = 28,440.87 × 5,634.96
  4. Step 4: Simplify right side
    18,962.25x = 160,263,164.82
  5. Step 5: Solve for x
    x = 160,263,164.82/18,962.25
  6. Step 6: Final answer
    x = 8,451.70

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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.