Home / 25,149.61-34,704.07-15,076.18

Finding the Fourth Proportional to 25,149.61, 34,704.07 and 15,076.18

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Solution

The fourth proportional to 25,149.61, 34,704.07 and 15,076.18 is: 20,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.61 : 34,704.07 = 15,076.18 : x
  2. Step 2: Convert to fraction form
    25,149.61/34,704.07 = 15,076.18/x
  3. Step 3: Cross multiply
    25,149.61x = 34,704.07 × 15,076.18
  4. Step 4: Simplify right side
    25,149.61x = 523,204,806.05
  5. Step 5: Solve for x
    x = 523,204,806.05/25,149.61
  6. Step 6: Final answer
    x = 20,803.69

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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.