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Finding the Fourth Proportional to 16,622.70, 22,938.99 and 9,548.94

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Solution

The fourth proportional to 16,622.70, 22,938.99 and 9,548.94 is: 13,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.70 : 22,938.99 = 9,548.94 : x
  2. Step 2: Convert to fraction form
    16,622.70/22,938.99 = 9,548.94/x
  3. Step 3: Cross multiply
    16,622.70x = 22,938.99 × 9,548.94
  4. Step 4: Simplify right side
    16,622.70x = 219,043,039.17
  5. Step 5: Solve for x
    x = 219,043,039.17/16,622.70
  6. Step 6: Final answer
    x = 13,177.34

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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.