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Finding the Fourth Proportional to 17,914.50, 24,721.83 and 9,957.42

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Solution

The fourth proportional to 17,914.50, 24,721.83 and 9,957.42 is: 13,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.50 : 24,721.83 = 9,957.42 : x
  2. Step 2: Convert to fraction form
    17,914.50/24,721.83 = 9,957.42/x
  3. Step 3: Cross multiply
    17,914.50x = 24,721.83 × 9,957.42
  4. Step 4: Simplify right side
    17,914.50x = 246,165,644.48
  5. Step 5: Solve for x
    x = 246,165,644.48/17,914.50
  6. Step 6: Final answer
    x = 13,741.14

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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.