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Finding the Fourth Proportional to 19,296.89, 26,630.94 and 10,799.99

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Solution

The fourth proportional to 19,296.89, 26,630.94 and 10,799.99 is: 14,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.89 : 26,630.94 = 10,799.99 : x
  2. Step 2: Convert to fraction form
    19,296.89/26,630.94 = 10,799.99/x
  3. Step 3: Cross multiply
    19,296.89x = 26,630.94 × 10,799.99
  4. Step 4: Simplify right side
    19,296.89x = 287,613,885.69
  5. Step 5: Solve for x
    x = 287,613,885.69/19,296.89
  6. Step 6: Final answer
    x = 14,904.68

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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.