Home / 14,253.84-21,380.70-3,865.62

Finding the Fourth Proportional to 14,253.84, 21,380.70 and 3,865.62

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Solution

The fourth proportional to 14,253.84, 21,380.70 and 3,865.62 is: 5,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.84 : 21,380.70 = 3,865.62 : x
  2. Step 2: Convert to fraction form
    14,253.84/21,380.70 = 3,865.62/x
  3. Step 3: Cross multiply
    14,253.84x = 21,380.70 × 3,865.62
  4. Step 4: Simplify right side
    14,253.84x = 82,649,661.53
  5. Step 5: Solve for x
    x = 82,649,661.53/14,253.84
  6. Step 6: Final answer
    x = 5,798.41

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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.