Home / 18,475.71-27,713.37-5,327.66

Finding the Fourth Proportional to 18,475.71, 27,713.37 and 5,327.66

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Solution

The fourth proportional to 18,475.71, 27,713.37 and 5,327.66 is: 7,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.71 : 27,713.37 = 5,327.66 : x
  2. Step 2: Convert to fraction form
    18,475.71/27,713.37 = 5,327.66/x
  3. Step 3: Cross multiply
    18,475.71x = 27,713.37 × 5,327.66
  4. Step 4: Simplify right side
    18,475.71x = 147,647,368.18
  5. Step 5: Solve for x
    x = 147,647,368.18/18,475.71
  6. Step 6: Final answer
    x = 7,991.43

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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.