Home / 14,431.84-21,639.96-5,069.44

Finding the Fourth Proportional to 14,431.84, 21,639.96 and 5,069.44

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Solution

The fourth proportional to 14,431.84, 21,639.96 and 5,069.44 is: 7,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431.84 : 21,639.96 = 5,069.44 : x
  2. Step 2: Convert to fraction form
    14,431.84/21,639.96 = 5,069.44/x
  3. Step 3: Cross multiply
    14,431.84x = 21,639.96 × 5,069.44
  4. Step 4: Simplify right side
    14,431.84x = 109,702,478.82
  5. Step 5: Solve for x
    x = 109,702,478.82/14,431.84
  6. Step 6: Final answer
    x = 7,601.42

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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.