Home / 14,584.78-21,871.67-4,721.41

Finding the Fourth Proportional to 14,584.78, 21,871.67 and 4,721.41

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Solution

The fourth proportional to 14,584.78, 21,871.67 and 4,721.41 is: 7,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,584.78 : 21,871.67 = 4,721.41 : x
  2. Step 2: Convert to fraction form
    14,584.78/21,871.67 = 4,721.41/x
  3. Step 3: Cross multiply
    14,584.78x = 21,871.67 × 4,721.41
  4. Step 4: Simplify right side
    14,584.78x = 103,265,213.26
  5. Step 5: Solve for x
    x = 103,265,213.26/14,584.78
  6. Step 6: Final answer
    x = 7,080.34

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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.