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Finding the Fourth Proportional to 16,859.76, 25,284.24 and 7,973.88

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Solution

The fourth proportional to 16,859.76, 25,284.24 and 7,973.88 is: 11,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.76 : 25,284.24 = 7,973.88 : x
  2. Step 2: Convert to fraction form
    16,859.76/25,284.24 = 7,973.88/x
  3. Step 3: Cross multiply
    16,859.76x = 25,284.24 × 7,973.88
  4. Step 4: Simplify right side
    16,859.76x = 201,613,495.65
  5. Step 5: Solve for x
    x = 201,613,495.65/16,859.76
  6. Step 6: Final answer
    x = 11,958.27

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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.