Home / 14,571.36-20,118.24-9,538.56

Finding the Fourth Proportional to 14,571.36, 20,118.24 and 9,538.56

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Solution

The fourth proportional to 14,571.36, 20,118.24 and 9,538.56 is: 13,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.36 : 20,118.24 = 9,538.56 : x
  2. Step 2: Convert to fraction form
    14,571.36/20,118.24 = 9,538.56/x
  3. Step 3: Cross multiply
    14,571.36x = 20,118.24 × 9,538.56
  4. Step 4: Simplify right side
    14,571.36x = 191,899,039.33
  5. Step 5: Solve for x
    x = 191,899,039.33/14,571.36
  6. Step 6: Final answer
    x = 13,169.60

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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.