Home / 18,583.58-27,874.32-13,591.06

Finding the Fourth Proportional to 18,583.58, 27,874.32 and 13,591.06

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Solution

The fourth proportional to 18,583.58, 27,874.32 and 13,591.06 is: 20,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.58 : 27,874.32 = 13,591.06 : x
  2. Step 2: Convert to fraction form
    18,583.58/27,874.32 = 13,591.06/x
  3. Step 3: Cross multiply
    18,583.58x = 27,874.32 × 13,591.06
  4. Step 4: Simplify right side
    18,583.58x = 378,841,555.58
  5. Step 5: Solve for x
    x = 378,841,555.58/18,583.58
  6. Step 6: Final answer
    x = 20,385.82

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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.