Home / 16,689.75-25,039.62-9,668.13

Finding the Fourth Proportional to 16,689.75, 25,039.62 and 9,668.13

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Solution

The fourth proportional to 16,689.75, 25,039.62 and 9,668.13 is: 14,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.75 : 25,039.62 = 9,668.13 : x
  2. Step 2: Convert to fraction form
    16,689.75/25,039.62 = 9,668.13/x
  3. Step 3: Cross multiply
    16,689.75x = 25,039.62 × 9,668.13
  4. Step 4: Simplify right side
    16,689.75x = 242,086,301.31
  5. Step 5: Solve for x
    x = 242,086,301.31/16,689.75
  6. Step 6: Final answer
    x = 14,505.09

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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.