Home / 15,579.44-23,372.22-5,718.80

Finding the Fourth Proportional to 15,579.44, 23,372.22 and 5,718.80

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Solution

The fourth proportional to 15,579.44, 23,372.22 and 5,718.80 is: 8,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.44 : 23,372.22 = 5,718.80 : x
  2. Step 2: Convert to fraction form
    15,579.44/23,372.22 = 5,718.80/x
  3. Step 3: Cross multiply
    15,579.44x = 23,372.22 × 5,718.80
  4. Step 4: Simplify right side
    15,579.44x = 133,660,934.87
  5. Step 5: Solve for x
    x = 133,660,934.87/15,579.44
  6. Step 6: Final answer
    x = 8,579.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.