Home / 18,528.56-27,797.14-5,381.16

Finding the Fourth Proportional to 18,528.56, 27,797.14 and 5,381.16

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Solution

The fourth proportional to 18,528.56, 27,797.14 and 5,381.16 is: 8,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.56 : 27,797.14 = 5,381.16 : x
  2. Step 2: Convert to fraction form
    18,528.56/27,797.14 = 5,381.16/x
  3. Step 3: Cross multiply
    18,528.56x = 27,797.14 × 5,381.16
  4. Step 4: Simplify right side
    18,528.56x = 149,580,857.88
  5. Step 5: Solve for x
    x = 149,580,857.88/18,528.56
  6. Step 6: Final answer
    x = 8,072.99

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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.