Home / 14,661.24-21,989.28-4,270.56

Finding the Fourth Proportional to 14,661.24, 21,989.28 and 4,270.56

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Solution

The fourth proportional to 14,661.24, 21,989.28 and 4,270.56 is: 6,405.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.24 : 21,989.28 = 4,270.56 : x
  2. Step 2: Convert to fraction form
    14,661.24/21,989.28 = 4,270.56/x
  3. Step 3: Cross multiply
    14,661.24x = 21,989.28 × 4,270.56
  4. Step 4: Simplify right side
    14,661.24x = 93,906,539.60
  5. Step 5: Solve for x
    x = 93,906,539.60/14,661.24
  6. Step 6: Final answer
    x = 6,405.09

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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.