Home / 18,216.89-27,316.20-8,851.04

Finding the Fourth Proportional to 18,216.89, 27,316.20 and 8,851.04

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Solution

The fourth proportional to 18,216.89, 27,316.20 and 8,851.04 is: 13,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.89 : 27,316.20 = 8,851.04 : x
  2. Step 2: Convert to fraction form
    18,216.89/27,316.20 = 8,851.04/x
  3. Step 3: Cross multiply
    18,216.89x = 27,316.20 × 8,851.04
  4. Step 4: Simplify right side
    18,216.89x = 241,776,778.85
  5. Step 5: Solve for x
    x = 241,776,778.85/18,216.89
  6. Step 6: Final answer
    x = 13,272.12

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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.