Home / 18,665.24-27,997.16-4,625.31

Finding the Fourth Proportional to 18,665.24, 27,997.16 and 4,625.31

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Solution

The fourth proportional to 18,665.24, 27,997.16 and 4,625.31 is: 6,937.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.24 : 27,997.16 = 4,625.31 : x
  2. Step 2: Convert to fraction form
    18,665.24/27,997.16 = 4,625.31/x
  3. Step 3: Cross multiply
    18,665.24x = 27,997.16 × 4,625.31
  4. Step 4: Simplify right side
    18,665.24x = 129,495,555.68
  5. Step 5: Solve for x
    x = 129,495,555.68/18,665.24
  6. Step 6: Final answer
    x = 6,937.79

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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.