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Finding the Fourth Proportional to 17,871.74, 24,663.82 and 9,913.48

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Solution

The fourth proportional to 17,871.74, 24,663.82 and 9,913.48 is: 13,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.74 : 24,663.82 = 9,913.48 : x
  2. Step 2: Convert to fraction form
    17,871.74/24,663.82 = 9,913.48/x
  3. Step 3: Cross multiply
    17,871.74x = 24,663.82 × 9,913.48
  4. Step 4: Simplify right side
    17,871.74x = 244,504,286.29
  5. Step 5: Solve for x
    x = 244,504,286.29/17,871.74
  6. Step 6: Final answer
    x = 13,681.06

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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.