Home / 18,634.11-25,751.97-15,271.62

Finding the Fourth Proportional to 18,634.11, 25,751.97 and 15,271.62

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Solution

The fourth proportional to 18,634.11, 25,751.97 and 15,271.62 is: 21,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.11 : 25,751.97 = 15,271.62 : x
  2. Step 2: Convert to fraction form
    18,634.11/25,751.97 = 15,271.62/x
  3. Step 3: Cross multiply
    18,634.11x = 25,751.97 × 15,271.62
  4. Step 4: Simplify right side
    18,634.11x = 393,274,300.09
  5. Step 5: Solve for x
    x = 393,274,300.09/18,634.11
  6. Step 6: Final answer
    x = 21,105.08

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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.