Home / 14,531.96-21,778.78-5,762.08

Finding the Fourth Proportional to 14,531.96, 21,778.78 and 5,762.08

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Solution

The fourth proportional to 14,531.96, 21,778.78 and 5,762.08 is: 8,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.96 : 21,778.78 = 5,762.08 : x
  2. Step 2: Convert to fraction form
    14,531.96/21,778.78 = 5,762.08/x
  3. Step 3: Cross multiply
    14,531.96x = 21,778.78 × 5,762.08
  4. Step 4: Simplify right side
    14,531.96x = 125,491,072.66
  5. Step 5: Solve for x
    x = 125,491,072.66/14,531.96
  6. Step 6: Final answer
    x = 8,635.52

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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.