Home / 13,232.48-18,255-8,195.36

Finding the Fourth Proportional to 13,232.48, 18,255 and 8,195.36

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Solution

The fourth proportional to 13,232.48, 18,255 and 8,195.36 is: 11,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.48 : 18,255 = 8,195.36 : x
  2. Step 2: Convert to fraction form
    13,232.48/18,255 = 8,195.36/x
  3. Step 3: Cross multiply
    13,232.48x = 18,255 × 8,195.36
  4. Step 4: Simplify right side
    13,232.48x = 149,606,296.80
  5. Step 5: Solve for x
    x = 149,606,296.80/13,232.48
  6. Step 6: Final answer
    x = 11,305.99

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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.