Home / 22,269.20-30,716.70-14,321.48

Finding the Fourth Proportional to 22,269.20, 30,716.70 and 14,321.48

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Solution

The fourth proportional to 22,269.20, 30,716.70 and 14,321.48 is: 19,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.20 : 30,716.70 = 14,321.48 : x
  2. Step 2: Convert to fraction form
    22,269.20/30,716.70 = 14,321.48/x
  3. Step 3: Cross multiply
    22,269.20x = 30,716.70 × 14,321.48
  4. Step 4: Simplify right side
    22,269.20x = 439,908,604.72
  5. Step 5: Solve for x
    x = 439,908,604.72/22,269.20
  6. Step 6: Final answer
    x = 19,754.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.