Home / 23,071.44-31,839.18-14,118.78

Finding the Fourth Proportional to 23,071.44, 31,839.18 and 14,118.78

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Solution

The fourth proportional to 23,071.44, 31,839.18 and 14,118.78 is: 19,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,071.44 : 31,839.18 = 14,118.78 : x
  2. Step 2: Convert to fraction form
    23,071.44/31,839.18 = 14,118.78/x
  3. Step 3: Cross multiply
    23,071.44x = 31,839.18 × 14,118.78
  4. Step 4: Simplify right side
    23,071.44x = 449,530,377.80
  5. Step 5: Solve for x
    x = 449,530,377.80/23,071.44
  6. Step 6: Final answer
    x = 19,484.28

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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.