Home / 13,442.24-20,167.46-6,873.03

Finding the Fourth Proportional to 13,442.24, 20,167.46 and 6,873.03

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Solution

The fourth proportional to 13,442.24, 20,167.46 and 6,873.03 is: 10,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.24 : 20,167.46 = 6,873.03 : x
  2. Step 2: Convert to fraction form
    13,442.24/20,167.46 = 6,873.03/x
  3. Step 3: Cross multiply
    13,442.24x = 20,167.46 × 6,873.03
  4. Step 4: Simplify right side
    13,442.24x = 138,611,598.87
  5. Step 5: Solve for x
    x = 138,611,598.87/13,442.24
  6. Step 6: Final answer
    x = 10,311.65

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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.