Home / 23,529.87-32,470.20-12,919.68

Finding the Fourth Proportional to 23,529.87, 32,470.20 and 12,919.68

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Solution

The fourth proportional to 23,529.87, 32,470.20 and 12,919.68 is: 17,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,529.87 : 32,470.20 = 12,919.68 : x
  2. Step 2: Convert to fraction form
    23,529.87/32,470.20 = 12,919.68/x
  3. Step 3: Cross multiply
    23,529.87x = 32,470.20 × 12,919.68
  4. Step 4: Simplify right side
    23,529.87x = 419,504,593.54
  5. Step 5: Solve for x
    x = 419,504,593.54/23,529.87
  6. Step 6: Final answer
    x = 17,828.60

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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.