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Finding the Fourth Proportional to 15,553.60, 23,330.40 and 14,241.40

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Solution

The fourth proportional to 15,553.60, 23,330.40 and 14,241.40 is: 21,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.60 : 23,330.40 = 14,241.40 : x
  2. Step 2: Convert to fraction form
    15,553.60/23,330.40 = 14,241.40/x
  3. Step 3: Cross multiply
    15,553.60x = 23,330.40 × 14,241.40
  4. Step 4: Simplify right side
    15,553.60x = 332,257,558.56
  5. Step 5: Solve for x
    x = 332,257,558.56/15,553.60
  6. Step 6: Final answer
    x = 21,362.10

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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.