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Finding the Fourth Proportional to 14,291.83, 19,725.11 and 8,326.99

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Solution

The fourth proportional to 14,291.83, 19,725.11 and 8,326.99 is: 11,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.83 : 19,725.11 = 8,326.99 : x
  2. Step 2: Convert to fraction form
    14,291.83/19,725.11 = 8,326.99/x
  3. Step 3: Cross multiply
    14,291.83x = 19,725.11 × 8,326.99
  4. Step 4: Simplify right side
    14,291.83x = 164,250,793.72
  5. Step 5: Solve for x
    x = 164,250,793.72/14,291.83
  6. Step 6: Final answer
    x = 11,492.64

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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.