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Finding the Fourth Proportional to 13,441.88, 20,166.21 and 9,500.88

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Solution

The fourth proportional to 13,441.88, 20,166.21 and 9,500.88 is: 14,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.88 : 20,166.21 = 9,500.88 : x
  2. Step 2: Convert to fraction form
    13,441.88/20,166.21 = 9,500.88/x
  3. Step 3: Cross multiply
    13,441.88x = 20,166.21 × 9,500.88
  4. Step 4: Simplify right side
    13,441.88x = 191,596,741.26
  5. Step 5: Solve for x
    x = 191,596,741.26/13,441.88
  6. Step 6: Final answer
    x = 14,253.72

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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.