Home / 18,500.91-27,750.56-5,352.99

Finding the Fourth Proportional to 18,500.91, 27,750.56 and 5,352.99

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Solution

The fourth proportional to 18,500.91, 27,750.56 and 5,352.99 is: 8,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.91 : 27,750.56 = 5,352.99 : x
  2. Step 2: Convert to fraction form
    18,500.91/27,750.56 = 5,352.99/x
  3. Step 3: Cross multiply
    18,500.91x = 27,750.56 × 5,352.99
  4. Step 4: Simplify right side
    18,500.91x = 148,548,443.41
  5. Step 5: Solve for x
    x = 148,548,443.41/18,500.91
  6. Step 6: Final answer
    x = 8,029.25

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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.