Home / 18,510.26-25,544.43-10,956.38

Finding the Fourth Proportional to 18,510.26, 25,544.43 and 10,956.38

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Solution

The fourth proportional to 18,510.26, 25,544.43 and 10,956.38 is: 15,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.26 : 25,544.43 = 10,956.38 : x
  2. Step 2: Convert to fraction form
    18,510.26/25,544.43 = 10,956.38/x
  3. Step 3: Cross multiply
    18,510.26x = 25,544.43 × 10,956.38
  4. Step 4: Simplify right side
    18,510.26x = 279,874,354.24
  5. Step 5: Solve for x
    x = 279,874,354.24/18,510.26
  6. Step 6: Final answer
    x = 15,119.96

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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.