Home / 18,578.56-25,633.90-10,512.36

Finding the Fourth Proportional to 18,578.56, 25,633.90 and 10,512.36

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Solution

The fourth proportional to 18,578.56, 25,633.90 and 10,512.36 is: 14,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.56 : 25,633.90 = 10,512.36 : x
  2. Step 2: Convert to fraction form
    18,578.56/25,633.90 = 10,512.36/x
  3. Step 3: Cross multiply
    18,578.56x = 25,633.90 × 10,512.36
  4. Step 4: Simplify right side
    18,578.56x = 269,472,785.00
  5. Step 5: Solve for x
    x = 269,472,785.00/18,578.56
  6. Step 6: Final answer
    x = 14,504.50

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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.