Home / 25,122.25-34,668.84-15,696.28

Finding the Fourth Proportional to 25,122.25, 34,668.84 and 15,696.28

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Solution

The fourth proportional to 25,122.25, 34,668.84 and 15,696.28 is: 21,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.25 : 34,668.84 = 15,696.28 : x
  2. Step 2: Convert to fraction form
    25,122.25/34,668.84 = 15,696.28/x
  3. Step 3: Cross multiply
    25,122.25x = 34,668.84 × 15,696.28
  4. Step 4: Simplify right side
    25,122.25x = 544,171,819.92
  5. Step 5: Solve for x
    x = 544,171,819.92/25,122.25
  6. Step 6: Final answer
    x = 21,660.95

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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.