Home / 18,255.68-27,387.64-5,776.46

Finding the Fourth Proportional to 18,255.68, 27,387.64 and 5,776.46

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Solution

The fourth proportional to 18,255.68, 27,387.64 and 5,776.46 is: 8,665.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.68 : 27,387.64 = 5,776.46 : x
  2. Step 2: Convert to fraction form
    18,255.68/27,387.64 = 5,776.46/x
  3. Step 3: Cross multiply
    18,255.68x = 27,387.64 × 5,776.46
  4. Step 4: Simplify right side
    18,255.68x = 158,203,606.95
  5. Step 5: Solve for x
    x = 158,203,606.95/18,255.68
  6. Step 6: Final answer
    x = 8,665.99

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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.