Home / 13,832.48-20,779.41-8,571.38

Finding the Fourth Proportional to 13,832.48, 20,779.41 and 8,571.38

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Solution

The fourth proportional to 13,832.48, 20,779.41 and 8,571.38 is: 12,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.48 : 20,779.41 = 8,571.38 : x
  2. Step 2: Convert to fraction form
    13,832.48/20,779.41 = 8,571.38/x
  3. Step 3: Cross multiply
    13,832.48x = 20,779.41 × 8,571.38
  4. Step 4: Simplify right side
    13,832.48x = 178,108,219.29
  5. Step 5: Solve for x
    x = 178,108,219.29/13,832.48
  6. Step 6: Final answer
    x = 12,876.09

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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.