Home / 18,500.77-27,755.31-5,354.16

Finding the Fourth Proportional to 18,500.77, 27,755.31 and 5,354.16

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Solution

The fourth proportional to 18,500.77, 27,755.31 and 5,354.16 is: 8,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.77 : 27,755.31 = 5,354.16 : x
  2. Step 2: Convert to fraction form
    18,500.77/27,755.31 = 5,354.16/x
  3. Step 3: Cross multiply
    18,500.77x = 27,755.31 × 5,354.16
  4. Step 4: Simplify right side
    18,500.77x = 148,606,370.59
  5. Step 5: Solve for x
    x = 148,606,370.59/18,500.77
  6. Step 6: Final answer
    x = 8,032.44

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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.