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Finding the Fourth Proportional to 19,693.96, 27,177.96 and 10,741.43

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Solution

The fourth proportional to 19,693.96, 27,177.96 and 10,741.43 is: 14,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.96 : 27,177.96 = 10,741.43 : x
  2. Step 2: Convert to fraction form
    19,693.96/27,177.96 = 10,741.43/x
  3. Step 3: Cross multiply
    19,693.96x = 27,177.96 × 10,741.43
  4. Step 4: Simplify right side
    19,693.96x = 291,930,154.88
  5. Step 5: Solve for x
    x = 291,930,154.88/19,693.96
  6. Step 6: Final answer
    x = 14,823.33

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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.