Home / 14,508.96-21,771.49-7,845.29

Finding the Fourth Proportional to 14,508.96, 21,771.49 and 7,845.29

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Solution

The fourth proportional to 14,508.96, 21,771.49 and 7,845.29 is: 11,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.96 : 21,771.49 = 7,845.29 : x
  2. Step 2: Convert to fraction form
    14,508.96/21,771.49 = 7,845.29/x
  3. Step 3: Cross multiply
    14,508.96x = 21,771.49 × 7,845.29
  4. Step 4: Simplify right side
    14,508.96x = 170,803,652.78
  5. Step 5: Solve for x
    x = 170,803,652.78/14,508.96
  6. Step 6: Final answer
    x = 11,772.29

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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.