Home / 25,175.47-37,757.80-10,380.55

Finding the Fourth Proportional to 25,175.47, 37,757.80 and 10,380.55

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Solution

The fourth proportional to 25,175.47, 37,757.80 and 10,380.55 is: 15,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.47 : 37,757.80 = 10,380.55 : x
  2. Step 2: Convert to fraction form
    25,175.47/37,757.80 = 10,380.55/x
  3. Step 3: Cross multiply
    25,175.47x = 37,757.80 × 10,380.55
  4. Step 4: Simplify right side
    25,175.47x = 391,946,730.79
  5. Step 5: Solve for x
    x = 391,946,730.79/25,175.47
  6. Step 6: Final answer
    x = 15,568.60

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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.