Home / 14,953.64-20,634.82-8,666.42

Finding the Fourth Proportional to 14,953.64, 20,634.82 and 8,666.42

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Solution

The fourth proportional to 14,953.64, 20,634.82 and 8,666.42 is: 11,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.64 : 20,634.82 = 8,666.42 : x
  2. Step 2: Convert to fraction form
    14,953.64/20,634.82 = 8,666.42/x
  3. Step 3: Cross multiply
    14,953.64x = 20,634.82 × 8,666.42
  4. Step 4: Simplify right side
    14,953.64x = 178,829,891.90
  5. Step 5: Solve for x
    x = 178,829,891.90/14,953.64
  6. Step 6: Final answer
    x = 11,958.96

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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.