Home / 23,724.72-35,651.75-12,639.33

Finding the Fourth Proportional to 23,724.72, 35,651.75 and 12,639.33

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Solution

The fourth proportional to 23,724.72, 35,651.75 and 12,639.33 is: 18,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,724.72 : 35,651.75 = 12,639.33 : x
  2. Step 2: Convert to fraction form
    23,724.72/35,651.75 = 12,639.33/x
  3. Step 3: Cross multiply
    23,724.72x = 35,651.75 × 12,639.33
  4. Step 4: Simplify right side
    23,724.72x = 450,614,170.13
  5. Step 5: Solve for x
    x = 450,614,170.13/23,724.72
  6. Step 6: Final answer
    x = 18,993.45

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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.