Home / 14,531.71-21,778.41-5,761.84

Finding the Fourth Proportional to 14,531.71, 21,778.41 and 5,761.84

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Solution

The fourth proportional to 14,531.71, 21,778.41 and 5,761.84 is: 8,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.71 : 21,778.41 = 5,761.84 : x
  2. Step 2: Convert to fraction form
    14,531.71/21,778.41 = 5,761.84/x
  3. Step 3: Cross multiply
    14,531.71x = 21,778.41 × 5,761.84
  4. Step 4: Simplify right side
    14,531.71x = 125,483,713.87
  5. Step 5: Solve for x
    x = 125,483,713.87/14,531.71
  6. Step 6: Final answer
    x = 8,635.17

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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.