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Finding the Fourth Proportional to 14,367.52, 19,815.94 and 9,832.88

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Solution

The fourth proportional to 14,367.52, 19,815.94 and 9,832.88 is: 13,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367.52 : 19,815.94 = 9,832.88 : x
  2. Step 2: Convert to fraction form
    14,367.52/19,815.94 = 9,832.88/x
  3. Step 3: Cross multiply
    14,367.52x = 19,815.94 × 9,832.88
  4. Step 4: Simplify right side
    14,367.52x = 194,847,760.11
  5. Step 5: Solve for x
    x = 194,847,760.11/14,367.52
  6. Step 6: Final answer
    x = 13,561.68

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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.