Home / 18,227.13-27,340.56-10,430.43

Finding the Fourth Proportional to 18,227.13, 27,340.56 and 10,430.43

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Solution

The fourth proportional to 18,227.13, 27,340.56 and 10,430.43 is: 15,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.13 : 27,340.56 = 10,430.43 : x
  2. Step 2: Convert to fraction form
    18,227.13/27,340.56 = 10,430.43/x
  3. Step 3: Cross multiply
    18,227.13x = 27,340.56 × 10,430.43
  4. Step 4: Simplify right side
    18,227.13x = 285,173,797.24
  5. Step 5: Solve for x
    x = 285,173,797.24/18,227.13
  6. Step 6: Final answer
    x = 15,645.57

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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.