Home / 13,682.12-20,522.08-4,322.41

Finding the Fourth Proportional to 13,682.12, 20,522.08 and 4,322.41

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Solution

The fourth proportional to 13,682.12, 20,522.08 and 4,322.41 is: 6,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682.12 : 20,522.08 = 4,322.41 : x
  2. Step 2: Convert to fraction form
    13,682.12/20,522.08 = 4,322.41/x
  3. Step 3: Cross multiply
    13,682.12x = 20,522.08 × 4,322.41
  4. Step 4: Simplify right side
    13,682.12x = 88,704,889.03
  5. Step 5: Solve for x
    x = 88,704,889.03/13,682.12
  6. Step 6: Final answer
    x = 6,483.27

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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.