Home / 15,694.26-21,668.21-9,732.25

Finding the Fourth Proportional to 15,694.26, 21,668.21 and 9,732.25

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Solution

The fourth proportional to 15,694.26, 21,668.21 and 9,732.25 is: 13,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694.26 : 21,668.21 = 9,732.25 : x
  2. Step 2: Convert to fraction form
    15,694.26/21,668.21 = 9,732.25/x
  3. Step 3: Cross multiply
    15,694.26x = 21,668.21 × 9,732.25
  4. Step 4: Simplify right side
    15,694.26x = 210,880,436.77
  5. Step 5: Solve for x
    x = 210,880,436.77/15,694.26
  6. Step 6: Final answer
    x = 13,436.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.