Home / 18,528.01-27,796.57-5,380.49

Finding the Fourth Proportional to 18,528.01, 27,796.57 and 5,380.49

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Solution

The fourth proportional to 18,528.01, 27,796.57 and 5,380.49 is: 8,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.01 : 27,796.57 = 5,380.49 : x
  2. Step 2: Convert to fraction form
    18,528.01/27,796.57 = 5,380.49/x
  3. Step 3: Cross multiply
    18,528.01x = 27,796.57 × 5,380.49
  4. Step 4: Simplify right side
    18,528.01x = 149,559,222.96
  5. Step 5: Solve for x
    x = 149,559,222.96/18,528.01
  6. Step 6: Final answer
    x = 8,072.06

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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.