Home / 14,211.87-21,318.44-5,446.14

Finding the Fourth Proportional to 14,211.87, 21,318.44 and 5,446.14

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Solution

The fourth proportional to 14,211.87, 21,318.44 and 5,446.14 is: 8,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.87 : 21,318.44 = 5,446.14 : x
  2. Step 2: Convert to fraction form
    14,211.87/21,318.44 = 5,446.14/x
  3. Step 3: Cross multiply
    14,211.87x = 21,318.44 × 5,446.14
  4. Step 4: Simplify right side
    14,211.87x = 116,103,181.59
  5. Step 5: Solve for x
    x = 116,103,181.59/14,211.87
  6. Step 6: Final answer
    x = 8,169.45

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1.5x scale

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.