Home / 14,222.89-21,331.97-4,359.52

Finding the Fourth Proportional to 14,222.89, 21,331.97 and 4,359.52

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Solution

The fourth proportional to 14,222.89, 21,331.97 and 4,359.52 is: 6,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.89 : 21,331.97 = 4,359.52 : x
  2. Step 2: Convert to fraction form
    14,222.89/21,331.97 = 4,359.52/x
  3. Step 3: Cross multiply
    14,222.89x = 21,331.97 × 4,359.52
  4. Step 4: Simplify right side
    14,222.89x = 92,997,021.40
  5. Step 5: Solve for x
    x = 92,997,021.40/14,222.89
  6. Step 6: Final answer
    x = 6,538.55

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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.