Home / 18,358.02-27,555.24-8,499.48

Finding the Fourth Proportional to 18,358.02, 27,555.24 and 8,499.48

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Solution

The fourth proportional to 18,358.02, 27,555.24 and 8,499.48 is: 12,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.02 : 27,555.24 = 8,499.48 : x
  2. Step 2: Convert to fraction form
    18,358.02/27,555.24 = 8,499.48/x
  3. Step 3: Cross multiply
    18,358.02x = 27,555.24 × 8,499.48
  4. Step 4: Simplify right side
    18,358.02x = 234,205,211.28
  5. Step 5: Solve for x
    x = 234,205,211.28/18,358.02
  6. Step 6: Final answer
    x = 12,757.65

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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.