Home / 18,183.72-27,275.91-5,703.47

Finding the Fourth Proportional to 18,183.72, 27,275.91 and 5,703.47

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Solution

The fourth proportional to 18,183.72, 27,275.91 and 5,703.47 is: 8,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.72 : 27,275.91 = 5,703.47 : x
  2. Step 2: Convert to fraction form
    18,183.72/27,275.91 = 5,703.47/x
  3. Step 3: Cross multiply
    18,183.72x = 27,275.91 × 5,703.47
  4. Step 4: Simplify right side
    18,183.72x = 155,567,334.41
  5. Step 5: Solve for x
    x = 155,567,334.41/18,183.72
  6. Step 6: Final answer
    x = 8,555.31

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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.