Home / 18,633.06-27,949.23-7,539.30

Finding the Fourth Proportional to 18,633.06, 27,949.23 and 7,539.30

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Solution

The fourth proportional to 18,633.06, 27,949.23 and 7,539.30 is: 11,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.06 : 27,949.23 = 7,539.30 : x
  2. Step 2: Convert to fraction form
    18,633.06/27,949.23 = 7,539.30/x
  3. Step 3: Cross multiply
    18,633.06x = 27,949.23 × 7,539.30
  4. Step 4: Simplify right side
    18,633.06x = 210,717,629.74
  5. Step 5: Solve for x
    x = 210,717,629.74/18,633.06
  6. Step 6: Final answer
    x = 11,308.80

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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.