Home / 18,043.07-27,057.42-6,943.59

Finding the Fourth Proportional to 18,043.07, 27,057.42 and 6,943.59

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Solution

The fourth proportional to 18,043.07, 27,057.42 and 6,943.59 is: 10,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.07 : 27,057.42 = 6,943.59 : x
  2. Step 2: Convert to fraction form
    18,043.07/27,057.42 = 6,943.59/x
  3. Step 3: Cross multiply
    18,043.07x = 27,057.42 × 6,943.59
  4. Step 4: Simplify right side
    18,043.07x = 187,875,630.94
  5. Step 5: Solve for x
    x = 187,875,630.94/18,043.07
  6. Step 6: Final answer
    x = 10,412.62

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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.