Home / 18,429.60-27,623.69-7,333.30

Finding the Fourth Proportional to 18,429.60, 27,623.69 and 7,333.30

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Solution

The fourth proportional to 18,429.60, 27,623.69 and 7,333.30 is: 10,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.60 : 27,623.69 = 7,333.30 : x
  2. Step 2: Convert to fraction form
    18,429.60/27,623.69 = 7,333.30/x
  3. Step 3: Cross multiply
    18,429.60x = 27,623.69 × 7,333.30
  4. Step 4: Simplify right side
    18,429.60x = 202,572,805.88
  5. Step 5: Solve for x
    x = 202,572,805.88/18,429.60
  6. Step 6: Final answer
    x = 10,991.71

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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.