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Finding the Fourth Proportional to 17,916.74, 24,722.34 and 9,958.94

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Solution

The fourth proportional to 17,916.74, 24,722.34 and 9,958.94 is: 13,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.74 : 24,722.34 = 9,958.94 : x
  2. Step 2: Convert to fraction form
    17,916.74/24,722.34 = 9,958.94/x
  3. Step 3: Cross multiply
    17,916.74x = 24,722.34 × 9,958.94
  4. Step 4: Simplify right side
    17,916.74x = 246,208,300.72
  5. Step 5: Solve for x
    x = 246,208,300.72/17,916.74
  6. Step 6: Final answer
    x = 13,741.80

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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.