Home / 15,175.46-20,933.11-11,812.95

Finding the Fourth Proportional to 15,175.46, 20,933.11 and 11,812.95

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Solution

The fourth proportional to 15,175.46, 20,933.11 and 11,812.95 is: 16,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.46 : 20,933.11 = 11,812.95 : x
  2. Step 2: Convert to fraction form
    15,175.46/20,933.11 = 11,812.95/x
  3. Step 3: Cross multiply
    15,175.46x = 20,933.11 × 11,812.95
  4. Step 4: Simplify right side
    15,175.46x = 247,281,796.54
  5. Step 5: Solve for x
    x = 247,281,796.54/15,175.46
  6. Step 6: Final answer
    x = 16,294.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.