Home / 17,684.11-26,519.10-7,816.42

Finding the Fourth Proportional to 17,684.11, 26,519.10 and 7,816.42

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Solution

The fourth proportional to 17,684.11, 26,519.10 and 7,816.42 is: 11,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.11 : 26,519.10 = 7,816.42 : x
  2. Step 2: Convert to fraction form
    17,684.11/26,519.10 = 7,816.42/x
  3. Step 3: Cross multiply
    17,684.11x = 26,519.10 × 7,816.42
  4. Step 4: Simplify right side
    17,684.11x = 207,284,423.62
  5. Step 5: Solve for x
    x = 207,284,423.62/17,684.11
  6. Step 6: Final answer
    x = 11,721.51

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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.