Home / 23,119.44-31,887.72-14,738.64

Finding the Fourth Proportional to 23,119.44, 31,887.72 and 14,738.64

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Solution

The fourth proportional to 23,119.44, 31,887.72 and 14,738.64 is: 20,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.44 : 31,887.72 = 14,738.64 : x
  2. Step 2: Convert to fraction form
    23,119.44/31,887.72 = 14,738.64/x
  3. Step 3: Cross multiply
    23,119.44x = 31,887.72 × 14,738.64
  4. Step 4: Simplify right side
    23,119.44x = 469,981,625.50
  5. Step 5: Solve for x
    x = 469,981,625.50/23,119.44
  6. Step 6: Final answer
    x = 20,328.42

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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.