Home / 18,349.74-27,517.56-7,813.08

Finding the Fourth Proportional to 18,349.74, 27,517.56 and 7,813.08

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Solution

The fourth proportional to 18,349.74, 27,517.56 and 7,813.08 is: 11,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.74 : 27,517.56 = 7,813.08 : x
  2. Step 2: Convert to fraction form
    18,349.74/27,517.56 = 7,813.08/x
  3. Step 3: Cross multiply
    18,349.74x = 27,517.56 × 7,813.08
  4. Step 4: Simplify right side
    18,349.74x = 214,996,897.68
  5. Step 5: Solve for x
    x = 214,996,897.68/18,349.74
  6. Step 6: Final answer
    x = 11,716.62

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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.