Home / 18,474.65-25,468.45-13,160.24

Finding the Fourth Proportional to 18,474.65, 25,468.45 and 13,160.24

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Solution

The fourth proportional to 18,474.65, 25,468.45 and 13,160.24 is: 18,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.65 : 25,468.45 = 13,160.24 : x
  2. Step 2: Convert to fraction form
    18,474.65/25,468.45 = 13,160.24/x
  3. Step 3: Cross multiply
    18,474.65x = 25,468.45 × 13,160.24
  4. Step 4: Simplify right side
    18,474.65x = 335,170,992.95
  5. Step 5: Solve for x
    x = 335,170,992.95/18,474.65
  6. Step 6: Final answer
    x = 18,142.21

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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.