Home / 18,308.50-27,446.46-6,619.12

Finding the Fourth Proportional to 18,308.50, 27,446.46 and 6,619.12

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Solution

The fourth proportional to 18,308.50, 27,446.46 and 6,619.12 is: 9,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.50 : 27,446.46 = 6,619.12 : x
  2. Step 2: Convert to fraction form
    18,308.50/27,446.46 = 6,619.12/x
  3. Step 3: Cross multiply
    18,308.50x = 27,446.46 × 6,619.12
  4. Step 4: Simplify right side
    18,308.50x = 181,671,412.32
  5. Step 5: Solve for x
    x = 181,671,412.32/18,308.50
  6. Step 6: Final answer
    x = 9,922.79

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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.