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Finding the Fourth Proportional to 13,253.96, 19,881.54 and 9,375.68

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Solution

The fourth proportional to 13,253.96, 19,881.54 and 9,375.68 is: 14,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.96 : 19,881.54 = 9,375.68 : x
  2. Step 2: Convert to fraction form
    13,253.96/19,881.54 = 9,375.68/x
  3. Step 3: Cross multiply
    13,253.96x = 19,881.54 × 9,375.68
  4. Step 4: Simplify right side
    13,253.96x = 186,402,956.95
  5. Step 5: Solve for x
    x = 186,402,956.95/13,253.96
  6. Step 6: Final answer
    x = 14,063.94

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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.