Home / 17,238.88-23,790-13,466.44

Finding the Fourth Proportional to 17,238.88, 23,790 and 13,466.44

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Solution

The fourth proportional to 17,238.88, 23,790 and 13,466.44 is: 18,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238.88 : 23,790 = 13,466.44 : x
  2. Step 2: Convert to fraction form
    17,238.88/23,790 = 13,466.44/x
  3. Step 3: Cross multiply
    17,238.88x = 23,790 × 13,466.44
  4. Step 4: Simplify right side
    17,238.88x = 320,366,607.60
  5. Step 5: Solve for x
    x = 320,366,607.60/17,238.88
  6. Step 6: Final answer
    x = 18,583.96

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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.