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Finding the Fourth Proportional to 17,143.58, 25,721.21 and 9,246.84

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Solution

The fourth proportional to 17,143.58, 25,721.21 and 9,246.84 is: 13,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.58 : 25,721.21 = 9,246.84 : x
  2. Step 2: Convert to fraction form
    17,143.58/25,721.21 = 9,246.84/x
  3. Step 3: Cross multiply
    17,143.58x = 25,721.21 × 9,246.84
  4. Step 4: Simplify right side
    17,143.58x = 237,839,840.14
  5. Step 5: Solve for x
    x = 237,839,840.14/17,143.58
  6. Step 6: Final answer
    x = 13,873.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.