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Finding the Fourth Proportional to 16,755.42, 25,101.54 and 13,039.68

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Solution

The fourth proportional to 16,755.42, 25,101.54 and 13,039.68 is: 19,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.42 : 25,101.54 = 13,039.68 : x
  2. Step 2: Convert to fraction form
    16,755.42/25,101.54 = 13,039.68/x
  3. Step 3: Cross multiply
    16,755.42x = 25,101.54 × 13,039.68
  4. Step 4: Simplify right side
    16,755.42x = 327,316,049.11
  5. Step 5: Solve for x
    x = 327,316,049.11/16,755.42
  6. Step 6: Final answer
    x = 19,534.94

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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.