Home / 16,343.94-24,519.10-5,249.78

Finding the Fourth Proportional to 16,343.94, 24,519.10 and 5,249.78

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Solution

The fourth proportional to 16,343.94, 24,519.10 and 5,249.78 is: 7,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,343.94 : 24,519.10 = 5,249.78 : x
  2. Step 2: Convert to fraction form
    16,343.94/24,519.10 = 5,249.78/x
  3. Step 3: Cross multiply
    16,343.94x = 24,519.10 × 5,249.78
  4. Step 4: Simplify right side
    16,343.94x = 128,719,880.80
  5. Step 5: Solve for x
    x = 128,719,880.80/16,343.94
  6. Step 6: Final answer
    x = 7,875.69

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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.