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Finding the Fourth Proportional to 18,141.97, 25,034.55 and 10,182.67

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Solution

The fourth proportional to 18,141.97, 25,034.55 and 10,182.67 is: 14,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.97 : 25,034.55 = 10,182.67 : x
  2. Step 2: Convert to fraction form
    18,141.97/25,034.55 = 10,182.67/x
  3. Step 3: Cross multiply
    18,141.97x = 25,034.55 × 10,182.67
  4. Step 4: Simplify right side
    18,141.97x = 254,918,436.08
  5. Step 5: Solve for x
    x = 254,918,436.08/18,141.97
  6. Step 6: Final answer
    x = 14,051.31

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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.