Home / 18,520.49-27,777.83-6,040.45

Finding the Fourth Proportional to 18,520.49, 27,777.83 and 6,040.45

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Solution

The fourth proportional to 18,520.49, 27,777.83 and 6,040.45 is: 9,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.49 : 27,777.83 = 6,040.45 : x
  2. Step 2: Convert to fraction form
    18,520.49/27,777.83 = 6,040.45/x
  3. Step 3: Cross multiply
    18,520.49x = 27,777.83 × 6,040.45
  4. Step 4: Simplify right side
    18,520.49x = 167,790,538.88
  5. Step 5: Solve for x
    x = 167,790,538.88/18,520.49
  6. Step 6: Final answer
    x = 9,059.72

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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.