Home / 13,893.39-19,175.67-9,653.31

Finding the Fourth Proportional to 13,893.39, 19,175.67 and 9,653.31

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Solution

The fourth proportional to 13,893.39, 19,175.67 and 9,653.31 is: 13,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.39 : 19,175.67 = 9,653.31 : x
  2. Step 2: Convert to fraction form
    13,893.39/19,175.67 = 9,653.31/x
  3. Step 3: Cross multiply
    13,893.39x = 19,175.67 × 9,653.31
  4. Step 4: Simplify right side
    13,893.39x = 185,108,686.97
  5. Step 5: Solve for x
    x = 185,108,686.97/13,893.39
  6. Step 6: Final answer
    x = 13,323.51

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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.