Home / 23,212.64-31,954.53-20,375.01

Finding the Fourth Proportional to 23,212.64, 31,954.53 and 20,375.01

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Solution

The fourth proportional to 23,212.64, 31,954.53 and 20,375.01 is: 28,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,212.64 : 31,954.53 = 20,375.01 : x
  2. Step 2: Convert to fraction form
    23,212.64/31,954.53 = 20,375.01/x
  3. Step 3: Cross multiply
    23,212.64x = 31,954.53 × 20,375.01
  4. Step 4: Simplify right side
    23,212.64x = 651,073,944.70
  5. Step 5: Solve for x
    x = 651,073,944.70/23,212.64
  6. Step 6: Final answer
    x = 28,048.25

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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.