Home / 18,467.46-25,518.40-13,153.04

Finding the Fourth Proportional to 18,467.46, 25,518.40 and 13,153.04

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Solution

The fourth proportional to 18,467.46, 25,518.40 and 13,153.04 is: 18,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.46 : 25,518.40 = 13,153.04 : x
  2. Step 2: Convert to fraction form
    18,467.46/25,518.40 = 13,153.04/x
  3. Step 3: Cross multiply
    18,467.46x = 25,518.40 × 13,153.04
  4. Step 4: Simplify right side
    18,467.46x = 335,644,535.94
  5. Step 5: Solve for x
    x = 335,644,535.94/18,467.46
  6. Step 6: Final answer
    x = 18,174.92

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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.