Home / 14,447.12-21,672.50-4,961.29

Finding the Fourth Proportional to 14,447.12, 21,672.50 and 4,961.29

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Solution

The fourth proportional to 14,447.12, 21,672.50 and 4,961.29 is: 7,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.12 : 21,672.50 = 4,961.29 : x
  2. Step 2: Convert to fraction form
    14,447.12/21,672.50 = 4,961.29/x
  3. Step 3: Cross multiply
    14,447.12x = 21,672.50 × 4,961.29
  4. Step 4: Simplify right side
    14,447.12x = 107,523,557.53
  5. Step 5: Solve for x
    x = 107,523,557.53/14,447.12
  6. Step 6: Final answer
    x = 7,442.56

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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.