Home / 14,188-21,279.57-3,797.32

Finding the Fourth Proportional to 14,188, 21,279.57 and 3,797.32

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Solution

The fourth proportional to 14,188, 21,279.57 and 3,797.32 is: 5,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188 : 21,279.57 = 3,797.32 : x
  2. Step 2: Convert to fraction form
    14,188/21,279.57 = 3,797.32/x
  3. Step 3: Cross multiply
    14,188x = 21,279.57 × 3,797.32
  4. Step 4: Simplify right side
    14,188x = 80,805,336.75
  5. Step 5: Solve for x
    x = 80,805,336.75/14,188
  6. Step 6: Final answer
    x = 5,695.33

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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.