Home / 14,352.72-21,531.96-5,118.48

Finding the Fourth Proportional to 14,352.72, 21,531.96 and 5,118.48

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Solution

The fourth proportional to 14,352.72, 21,531.96 and 5,118.48 is: 7,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.72 : 21,531.96 = 5,118.48 : x
  2. Step 2: Convert to fraction form
    14,352.72/21,531.96 = 5,118.48/x
  3. Step 3: Cross multiply
    14,352.72x = 21,531.96 × 5,118.48
  4. Step 4: Simplify right side
    14,352.72x = 110,210,906.62
  5. Step 5: Solve for x
    x = 110,210,906.62/14,352.72
  6. Step 6: Final answer
    x = 7,678.75

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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.