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Finding the Fourth Proportional to 17,696.41, 24,421.43 and 10,143.43

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Solution

The fourth proportional to 17,696.41, 24,421.43 and 10,143.43 is: 13,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.41 : 24,421.43 = 10,143.43 : x
  2. Step 2: Convert to fraction form
    17,696.41/24,421.43 = 10,143.43/x
  3. Step 3: Cross multiply
    17,696.41x = 24,421.43 × 10,143.43
  4. Step 4: Simplify right side
    17,696.41x = 247,717,030.01
  5. Step 5: Solve for x
    x = 247,717,030.01/17,696.41
  6. Step 6: Final answer
    x = 13,998.15

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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.