Home / 13,563.75-20,317.84-8,000.27

Finding the Fourth Proportional to 13,563.75, 20,317.84 and 8,000.27

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Solution

The fourth proportional to 13,563.75, 20,317.84 and 8,000.27 is: 11,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.75 : 20,317.84 = 8,000.27 : x
  2. Step 2: Convert to fraction form
    13,563.75/20,317.84 = 8,000.27/x
  3. Step 3: Cross multiply
    13,563.75x = 20,317.84 × 8,000.27
  4. Step 4: Simplify right side
    13,563.75x = 162,548,160.42
  5. Step 5: Solve for x
    x = 162,548,160.42/13,563.75
  6. Step 6: Final answer
    x = 11,984.01

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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.