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Finding the Fourth Proportional to 15,773.34, 21,747.24 and 10,394.94

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Solution

The fourth proportional to 15,773.34, 21,747.24 and 10,394.94 is: 14,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773.34 : 21,747.24 = 10,394.94 : x
  2. Step 2: Convert to fraction form
    15,773.34/21,747.24 = 10,394.94/x
  3. Step 3: Cross multiply
    15,773.34x = 21,747.24 × 10,394.94
  4. Step 4: Simplify right side
    15,773.34x = 226,061,254.97
  5. Step 5: Solve for x
    x = 226,061,254.97/15,773.34
  6. Step 6: Final answer
    x = 14,331.86

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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.