Home / 15,754.97-21,734.77-10,648.85

Finding the Fourth Proportional to 15,754.97, 21,734.77 and 10,648.85

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Solution

The fourth proportional to 15,754.97, 21,734.77 and 10,648.85 is: 14,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754.97 : 21,734.77 = 10,648.85 : x
  2. Step 2: Convert to fraction form
    15,754.97/21,734.77 = 10,648.85/x
  3. Step 3: Cross multiply
    15,754.97x = 21,734.77 × 10,648.85
  4. Step 4: Simplify right side
    15,754.97x = 231,450,170.22
  5. Step 5: Solve for x
    x = 231,450,170.22/15,754.97
  6. Step 6: Final answer
    x = 14,690.62

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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.