Home / 18,341.43-27,493.30-7,243.62

Finding the Fourth Proportional to 18,341.43, 27,493.30 and 7,243.62

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Solution

The fourth proportional to 18,341.43, 27,493.30 and 7,243.62 is: 10,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.43 : 27,493.30 = 7,243.62 : x
  2. Step 2: Convert to fraction form
    18,341.43/27,493.30 = 7,243.62/x
  3. Step 3: Cross multiply
    18,341.43x = 27,493.30 × 7,243.62
  4. Step 4: Simplify right side
    18,341.43x = 199,151,017.75
  5. Step 5: Solve for x
    x = 199,151,017.75/18,341.43
  6. Step 6: Final answer
    x = 10,857.99

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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.