Home / 18,463.95-25,513.56-13,149.54

Finding the Fourth Proportional to 18,463.95, 25,513.56 and 13,149.54

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Solution

The fourth proportional to 18,463.95, 25,513.56 and 13,149.54 is: 18,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463.95 : 25,513.56 = 13,149.54 : x
  2. Step 2: Convert to fraction form
    18,463.95/25,513.56 = 13,149.54/x
  3. Step 3: Cross multiply
    18,463.95x = 25,513.56 × 13,149.54
  4. Step 4: Simplify right side
    18,463.95x = 335,491,577.76
  5. Step 5: Solve for x
    x = 335,491,577.76/18,463.95
  6. Step 6: Final answer
    x = 18,170.09

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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.