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Finding the Fourth Proportional to 14,952.80, 22,404.90 and 12,474.20

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Solution

The fourth proportional to 14,952.80, 22,404.90 and 12,474.20 is: 18,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.80 : 22,404.90 = 12,474.20 : x
  2. Step 2: Convert to fraction form
    14,952.80/22,404.90 = 12,474.20/x
  3. Step 3: Cross multiply
    14,952.80x = 22,404.90 × 12,474.20
  4. Step 4: Simplify right side
    14,952.80x = 279,483,203.58
  5. Step 5: Solve for x
    x = 279,483,203.58/14,952.80
  6. Step 6: Final answer
    x = 18,691.03

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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.