Home / 15,043.26-20,759.74-8,329.34

Finding the Fourth Proportional to 15,043.26, 20,759.74 and 8,329.34

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Solution

The fourth proportional to 15,043.26, 20,759.74 and 8,329.34 is: 11,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.26 : 20,759.74 = 8,329.34 : x
  2. Step 2: Convert to fraction form
    15,043.26/20,759.74 = 8,329.34/x
  3. Step 3: Cross multiply
    15,043.26x = 20,759.74 × 8,329.34
  4. Step 4: Simplify right side
    15,043.26x = 172,914,932.77
  5. Step 5: Solve for x
    x = 172,914,932.77/15,043.26
  6. Step 6: Final answer
    x = 11,494.51

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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.