Home / 14,202.72-21,311.28-9,576

Finding the Fourth Proportional to 14,202.72, 21,311.28 and 9,576

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Solution

The fourth proportional to 14,202.72, 21,311.28 and 9,576 is: 14,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.72 : 21,311.28 = 9,576 : x
  2. Step 2: Convert to fraction form
    14,202.72/21,311.28 = 9,576/x
  3. Step 3: Cross multiply
    14,202.72x = 21,311.28 × 9,576
  4. Step 4: Simplify right side
    14,202.72x = 204,076,817.28
  5. Step 5: Solve for x
    x = 204,076,817.28/14,202.72
  6. Step 6: Final answer
    x = 14,368.85

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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.