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Finding the Fourth Proportional to 17,188.56, 25,744.32 and 14,938.56

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Solution

The fourth proportional to 17,188.56, 25,744.32 and 14,938.56 is: 22,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,188.56 : 25,744.32 = 14,938.56 : x
  2. Step 2: Convert to fraction form
    17,188.56/25,744.32 = 14,938.56/x
  3. Step 3: Cross multiply
    17,188.56x = 25,744.32 × 14,938.56
  4. Step 4: Simplify right side
    17,188.56x = 384,583,068.98
  5. Step 5: Solve for x
    x = 384,583,068.98/17,188.56
  6. Step 6: Final answer
    x = 22,374.36

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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.