Home / 14,644.80-21,960.72-4,257.36

Finding the Fourth Proportional to 14,644.80, 21,960.72 and 4,257.36

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Solution

The fourth proportional to 14,644.80, 21,960.72 and 4,257.36 is: 6,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.80 : 21,960.72 = 4,257.36 : x
  2. Step 2: Convert to fraction form
    14,644.80/21,960.72 = 4,257.36/x
  3. Step 3: Cross multiply
    14,644.80x = 21,960.72 × 4,257.36
  4. Step 4: Simplify right side
    14,644.80x = 93,494,690.90
  5. Step 5: Solve for x
    x = 93,494,690.90/14,644.80
  6. Step 6: Final answer
    x = 6,384.16

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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.