Home / 14,211.36-21,320.64-5,447.04

Finding the Fourth Proportional to 14,211.36, 21,320.64 and 5,447.04

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Solution

The fourth proportional to 14,211.36, 21,320.64 and 5,447.04 is: 8,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.36 : 21,320.64 = 5,447.04 : x
  2. Step 2: Convert to fraction form
    14,211.36/21,320.64 = 5,447.04/x
  3. Step 3: Cross multiply
    14,211.36x = 21,320.64 × 5,447.04
  4. Step 4: Simplify right side
    14,211.36x = 116,134,378.91
  5. Step 5: Solve for x
    x = 116,134,378.91/14,211.36
  6. Step 6: Final answer
    x = 8,171.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.