Home / 25,175.42-37,680.99-18,510.15

Finding the Fourth Proportional to 25,175.42, 37,680.99 and 18,510.15

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Solution

The fourth proportional to 25,175.42, 37,680.99 and 18,510.15 is: 27,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.42 : 37,680.99 = 18,510.15 : x
  2. Step 2: Convert to fraction form
    25,175.42/37,680.99 = 18,510.15/x
  3. Step 3: Cross multiply
    25,175.42x = 37,680.99 × 18,510.15
  4. Step 4: Simplify right side
    25,175.42x = 697,480,777.05
  5. Step 5: Solve for x
    x = 697,480,777.05/25,175.42
  6. Step 6: Final answer
    x = 27,704.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.