Home / 14,212.73-21,322.24-5,447.66

Finding the Fourth Proportional to 14,212.73, 21,322.24 and 5,447.66

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Solution

The fourth proportional to 14,212.73, 21,322.24 and 5,447.66 is: 8,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.73 : 21,322.24 = 5,447.66 : x
  2. Step 2: Convert to fraction form
    14,212.73/21,322.24 = 5,447.66/x
  3. Step 3: Cross multiply
    14,212.73x = 21,322.24 × 5,447.66
  4. Step 4: Simplify right side
    14,212.73x = 116,156,193.73
  5. Step 5: Solve for x
    x = 116,156,193.73/14,212.73
  6. Step 6: Final answer
    x = 8,172.69

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1.5x scale

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.