Home / 14,160.72-21,241.56-3,772.48

Finding the Fourth Proportional to 14,160.72, 21,241.56 and 3,772.48

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Solution

The fourth proportional to 14,160.72, 21,241.56 and 3,772.48 is: 5,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.72 : 21,241.56 = 3,772.48 : x
  2. Step 2: Convert to fraction form
    14,160.72/21,241.56 = 3,772.48/x
  3. Step 3: Cross multiply
    14,160.72x = 21,241.56 × 3,772.48
  4. Step 4: Simplify right side
    14,160.72x = 80,133,360.27
  5. Step 5: Solve for x
    x = 80,133,360.27/14,160.72
  6. Step 6: Final answer
    x = 5,658.85

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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.