Home / 22,982.20-31,723.05-14,485.30

Finding the Fourth Proportional to 22,982.20, 31,723.05 and 14,485.30

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Solution

The fourth proportional to 22,982.20, 31,723.05 and 14,485.30 is: 19,994.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,982.20 : 31,723.05 = 14,485.30 : x
  2. Step 2: Convert to fraction form
    22,982.20/31,723.05 = 14,485.30/x
  3. Step 3: Cross multiply
    22,982.20x = 31,723.05 × 14,485.30
  4. Step 4: Simplify right side
    22,982.20x = 459,517,896.17
  5. Step 5: Solve for x
    x = 459,517,896.17/22,982.20
  6. Step 6: Final answer
    x = 19,994.51

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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.