Home / 15,043.24-20,758.44-8,669.62

Finding the Fourth Proportional to 15,043.24, 20,758.44 and 8,669.62

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Solution

The fourth proportional to 15,043.24, 20,758.44 and 8,669.62 is: 11,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.24 : 20,758.44 = 8,669.62 : x
  2. Step 2: Convert to fraction form
    15,043.24/20,758.44 = 8,669.62/x
  3. Step 3: Cross multiply
    15,043.24x = 20,758.44 × 8,669.62
  4. Step 4: Simplify right side
    15,043.24x = 179,967,786.59
  5. Step 5: Solve for x
    x = 179,967,786.59/15,043.24
  6. Step 6: Final answer
    x = 11,963.37

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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.