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Finding the Fourth Proportional to 16,532.63, 22,815.54 and 9,362.43

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Solution

The fourth proportional to 16,532.63, 22,815.54 and 9,362.43 is: 12,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,532.63 : 22,815.54 = 9,362.43 : x
  2. Step 2: Convert to fraction form
    16,532.63/22,815.54 = 9,362.43/x
  3. Step 3: Cross multiply
    16,532.63x = 22,815.54 × 9,362.43
  4. Step 4: Simplify right side
    16,532.63x = 213,608,896.16
  5. Step 5: Solve for x
    x = 213,608,896.16/16,532.63
  6. Step 6: Final answer
    x = 12,920.45

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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.