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Finding the Fourth Proportional to 14,926.22, 20,597.73 and 8,211.84

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Solution

The fourth proportional to 14,926.22, 20,597.73 and 8,211.84 is: 11,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.22 : 20,597.73 = 8,211.84 : x
  2. Step 2: Convert to fraction form
    14,926.22/20,597.73 = 8,211.84/x
  3. Step 3: Cross multiply
    14,926.22x = 20,597.73 × 8,211.84
  4. Step 4: Simplify right side
    14,926.22x = 169,145,263.12
  5. Step 5: Solve for x
    x = 169,145,263.12/14,926.22
  6. Step 6: Final answer
    x = 11,332.09

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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.