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Finding the Fourth Proportional to 17,959.96, 24,743.44 and 14,181.74

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Solution

The fourth proportional to 17,959.96, 24,743.44 and 14,181.74 is: 19,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.96 : 24,743.44 = 14,181.74 : x
  2. Step 2: Convert to fraction form
    17,959.96/24,743.44 = 14,181.74/x
  3. Step 3: Cross multiply
    17,959.96x = 24,743.44 × 14,181.74
  4. Step 4: Simplify right side
    17,959.96x = 350,905,019.58
  5. Step 5: Solve for x
    x = 350,905,019.58/17,959.96
  6. Step 6: Final answer
    x = 19,538.18

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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.