Home / 23,175.52-31,983.28-13,104.36

Finding the Fourth Proportional to 23,175.52, 31,983.28 and 13,104.36

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Solution

The fourth proportional to 23,175.52, 31,983.28 and 13,104.36 is: 18,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.52 : 31,983.28 = 13,104.36 : x
  2. Step 2: Convert to fraction form
    23,175.52/31,983.28 = 13,104.36/x
  3. Step 3: Cross multiply
    23,175.52x = 31,983.28 × 13,104.36
  4. Step 4: Simplify right side
    23,175.52x = 419,120,415.10
  5. Step 5: Solve for x
    x = 419,120,415.10/23,175.52
  6. Step 6: Final answer
    x = 18,084.62

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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.