Home / 14,651.64-20,222.88-8,367.66

Finding the Fourth Proportional to 14,651.64, 20,222.88 and 8,367.66

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Solution

The fourth proportional to 14,651.64, 20,222.88 and 8,367.66 is: 11,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.64 : 20,222.88 = 8,367.66 : x
  2. Step 2: Convert to fraction form
    14,651.64/20,222.88 = 8,367.66/x
  3. Step 3: Cross multiply
    14,651.64x = 20,222.88 × 8,367.66
  4. Step 4: Simplify right side
    14,651.64x = 169,218,184.06
  5. Step 5: Solve for x
    x = 169,218,184.06/14,651.64
  6. Step 6: Final answer
    x = 11,549.44

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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.