Home / 14,255.48-21,381.30-4,394.54

Finding the Fourth Proportional to 14,255.48, 21,381.30 and 4,394.54

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Solution

The fourth proportional to 14,255.48, 21,381.30 and 4,394.54 is: 6,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.48 : 21,381.30 = 4,394.54 : x
  2. Step 2: Convert to fraction form
    14,255.48/21,381.30 = 4,394.54/x
  3. Step 3: Cross multiply
    14,255.48x = 21,381.30 × 4,394.54
  4. Step 4: Simplify right side
    14,255.48x = 93,960,978.10
  5. Step 5: Solve for x
    x = 93,960,978.10/14,255.48
  6. Step 6: Final answer
    x = 6,591.22

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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.