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Finding the Fourth Proportional to 19,076.68, 26,326.02 and 10,693

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Solution

The fourth proportional to 19,076.68, 26,326.02 and 10,693 is: 14,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.68 : 26,326.02 = 10,693 : x
  2. Step 2: Convert to fraction form
    19,076.68/26,326.02 = 10,693/x
  3. Step 3: Cross multiply
    19,076.68x = 26,326.02 × 10,693
  4. Step 4: Simplify right side
    19,076.68x = 281,504,131.86
  5. Step 5: Solve for x
    x = 281,504,131.86/19,076.68
  6. Step 6: Final answer
    x = 14,756.45

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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.