Home / 13,372.98-20,066.30-8,933.68

Finding the Fourth Proportional to 13,372.98, 20,066.30 and 8,933.68

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Solution

The fourth proportional to 13,372.98, 20,066.30 and 8,933.68 is: 13,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.98 : 20,066.30 = 8,933.68 : x
  2. Step 2: Convert to fraction form
    13,372.98/20,066.30 = 8,933.68/x
  3. Step 3: Cross multiply
    13,372.98x = 20,066.30 × 8,933.68
  4. Step 4: Simplify right side
    13,372.98x = 179,265,902.98
  5. Step 5: Solve for x
    x = 179,265,902.98/13,372.98
  6. Step 6: Final answer
    x = 13,405.08

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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.