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Finding the Fourth Proportional to 14,182.52, 19,567.96 and 8,213.04

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Solution

The fourth proportional to 14,182.52, 19,567.96 and 8,213.04 is: 11,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.52 : 19,567.96 = 8,213.04 : x
  2. Step 2: Convert to fraction form
    14,182.52/19,567.96 = 8,213.04/x
  3. Step 3: Cross multiply
    14,182.52x = 19,567.96 × 8,213.04
  4. Step 4: Simplify right side
    14,182.52x = 160,712,438.20
  5. Step 5: Solve for x
    x = 160,712,438.20/14,182.52
  6. Step 6: Final answer
    x = 11,331.73

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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.