Home / 14,509.44-20,022.84-8,541.36

Finding the Fourth Proportional to 14,509.44, 20,022.84 and 8,541.36

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Solution

The fourth proportional to 14,509.44, 20,022.84 and 8,541.36 is: 11,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.44 : 20,022.84 = 8,541.36 : x
  2. Step 2: Convert to fraction form
    14,509.44/20,022.84 = 8,541.36/x
  3. Step 3: Cross multiply
    14,509.44x = 20,022.84 × 8,541.36
  4. Step 4: Simplify right side
    14,509.44x = 171,022,284.66
  5. Step 5: Solve for x
    x = 171,022,284.66/14,509.44
  6. Step 6: Final answer
    x = 11,786.97

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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.