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Finding the Fourth Proportional to 13,950.88, 20,933.44 and 9,274.08

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Solution

The fourth proportional to 13,950.88, 20,933.44 and 9,274.08 is: 13,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.88 : 20,933.44 = 9,274.08 : x
  2. Step 2: Convert to fraction form
    13,950.88/20,933.44 = 9,274.08/x
  3. Step 3: Cross multiply
    13,950.88x = 20,933.44 × 9,274.08
  4. Step 4: Simplify right side
    13,950.88x = 194,138,397.24
  5. Step 5: Solve for x
    x = 194,138,397.24/13,950.88
  6. Step 6: Final answer
    x = 13,915.85

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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.