Home / 16,809.48-25,217.88-5,122.40

Finding the Fourth Proportional to 16,809.48, 25,217.88 and 5,122.40

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Solution

The fourth proportional to 16,809.48, 25,217.88 and 5,122.40 is: 7,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.48 : 25,217.88 = 5,122.40 : x
  2. Step 2: Convert to fraction form
    16,809.48/25,217.88 = 5,122.40/x
  3. Step 3: Cross multiply
    16,809.48x = 25,217.88 × 5,122.40
  4. Step 4: Simplify right side
    16,809.48x = 129,175,942.42
  5. Step 5: Solve for x
    x = 129,175,942.42/16,809.48
  6. Step 6: Final answer
    x = 7,684.71

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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.