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Finding the Fourth Proportional to 18,146.05, 25,042.25 and 10,591.18

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Solution

The fourth proportional to 18,146.05, 25,042.25 and 10,591.18 is: 14,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.05 : 25,042.25 = 10,591.18 : x
  2. Step 2: Convert to fraction form
    18,146.05/25,042.25 = 10,591.18/x
  3. Step 3: Cross multiply
    18,146.05x = 25,042.25 × 10,591.18
  4. Step 4: Simplify right side
    18,146.05x = 265,226,977.36
  5. Step 5: Solve for x
    x = 265,226,977.36/18,146.05
  6. Step 6: Final answer
    x = 14,616.24

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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.