Home / 23,175.32-31,980.03-13,104.80

Finding the Fourth Proportional to 23,175.32, 31,980.03 and 13,104.80

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Solution

The fourth proportional to 23,175.32, 31,980.03 and 13,104.80 is: 18,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.32 : 31,980.03 = 13,104.80 : x
  2. Step 2: Convert to fraction form
    23,175.32/31,980.03 = 13,104.80/x
  3. Step 3: Cross multiply
    23,175.32x = 31,980.03 × 13,104.80
  4. Step 4: Simplify right side
    23,175.32x = 419,091,737.24
  5. Step 5: Solve for x
    x = 419,091,737.24/23,175.32
  6. Step 6: Final answer
    x = 18,083.54

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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.