Home / 18,187.90-27,285.54-6,500.83

Finding the Fourth Proportional to 18,187.90, 27,285.54 and 6,500.83

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Solution

The fourth proportional to 18,187.90, 27,285.54 and 6,500.83 is: 9,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.90 : 27,285.54 = 6,500.83 : x
  2. Step 2: Convert to fraction form
    18,187.90/27,285.54 = 6,500.83/x
  3. Step 3: Cross multiply
    18,187.90x = 27,285.54 × 6,500.83
  4. Step 4: Simplify right side
    18,187.90x = 177,378,657.00
  5. Step 5: Solve for x
    x = 177,378,657.00/18,187.90
  6. Step 6: Final answer
    x = 9,752.56

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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.