Home / 18,812.62-25,956.30-11,252.29

Finding the Fourth Proportional to 18,812.62, 25,956.30 and 11,252.29

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Solution

The fourth proportional to 18,812.62, 25,956.30 and 11,252.29 is: 15,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.62 : 25,956.30 = 11,252.29 : x
  2. Step 2: Convert to fraction form
    18,812.62/25,956.30 = 11,252.29/x
  3. Step 3: Cross multiply
    18,812.62x = 25,956.30 × 11,252.29
  4. Step 4: Simplify right side
    18,812.62x = 292,067,814.93
  5. Step 5: Solve for x
    x = 292,067,814.93/18,812.62
  6. Step 6: Final answer
    x = 15,525.10

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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.