Home / 23,579.87-32,540.36-12,824.87

Finding the Fourth Proportional to 23,579.87, 32,540.36 and 12,824.87

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Solution

The fourth proportional to 23,579.87, 32,540.36 and 12,824.87 is: 17,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.87 : 32,540.36 = 12,824.87 : x
  2. Step 2: Convert to fraction form
    23,579.87/32,540.36 = 12,824.87/x
  3. Step 3: Cross multiply
    23,579.87x = 32,540.36 × 12,824.87
  4. Step 4: Simplify right side
    23,579.87x = 417,325,659.93
  5. Step 5: Solve for x
    x = 417,325,659.93/23,579.87
  6. Step 6: Final answer
    x = 17,698.39

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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.