Home / 13,731.40-20,597.10-4,966.60

Finding the Fourth Proportional to 13,731.40, 20,597.10 and 4,966.60

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Solution

The fourth proportional to 13,731.40, 20,597.10 and 4,966.60 is: 7,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.40 : 20,597.10 = 4,966.60 : x
  2. Step 2: Convert to fraction form
    13,731.40/20,597.10 = 4,966.60/x
  3. Step 3: Cross multiply
    13,731.40x = 20,597.10 × 4,966.60
  4. Step 4: Simplify right side
    13,731.40x = 102,297,556.86
  5. Step 5: Solve for x
    x = 102,297,556.86/13,731.40
  6. Step 6: Final answer
    x = 7,449.90

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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.