Home / 18,400.54-27,581.66-16,776.68

Finding the Fourth Proportional to 18,400.54, 27,581.66 and 16,776.68

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Solution

The fourth proportional to 18,400.54, 27,581.66 and 16,776.68 is: 25,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.54 : 27,581.66 = 16,776.68 : x
  2. Step 2: Convert to fraction form
    18,400.54/27,581.66 = 16,776.68/x
  3. Step 3: Cross multiply
    18,400.54x = 27,581.66 × 16,776.68
  4. Step 4: Simplify right side
    18,400.54x = 462,728,683.69
  5. Step 5: Solve for x
    x = 462,728,683.69/18,400.54
  6. Step 6: Final answer
    x = 25,147.56

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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.