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Finding the Fourth Proportional to 16,233.40, 22,404.18 and 9,519.40

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Solution

The fourth proportional to 16,233.40, 22,404.18 and 9,519.40 is: 13,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,233.40 : 22,404.18 = 9,519.40 : x
  2. Step 2: Convert to fraction form
    16,233.40/22,404.18 = 9,519.40/x
  3. Step 3: Cross multiply
    16,233.40x = 22,404.18 × 9,519.40
  4. Step 4: Simplify right side
    16,233.40x = 213,274,351.09
  5. Step 5: Solve for x
    x = 213,274,351.09/16,233.40
  6. Step 6: Final answer
    x = 13,138.00

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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.