Home / 22,216.64-33,318.23-11,680.98

Finding the Fourth Proportional to 22,216.64, 33,318.23 and 11,680.98

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Solution

The fourth proportional to 22,216.64, 33,318.23 and 11,680.98 is: 17,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.64 : 33,318.23 = 11,680.98 : x
  2. Step 2: Convert to fraction form
    22,216.64/33,318.23 = 11,680.98/x
  3. Step 3: Cross multiply
    22,216.64x = 33,318.23 × 11,680.98
  4. Step 4: Simplify right side
    22,216.64x = 389,189,519.86
  5. Step 5: Solve for x
    x = 389,189,519.86/22,216.64
  6. Step 6: Final answer
    x = 17,517.93

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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.