Home / 14,820.23-20,452.25-8,850.78

Finding the Fourth Proportional to 14,820.23, 20,452.25 and 8,850.78

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Solution

The fourth proportional to 14,820.23, 20,452.25 and 8,850.78 is: 12,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.23 : 20,452.25 = 8,850.78 : x
  2. Step 2: Convert to fraction form
    14,820.23/20,452.25 = 8,850.78/x
  3. Step 3: Cross multiply
    14,820.23x = 20,452.25 × 8,850.78
  4. Step 4: Simplify right side
    14,820.23x = 181,018,321.00
  5. Step 5: Solve for x
    x = 181,018,321.00/14,820.23
  6. Step 6: Final answer
    x = 12,214.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.