Home / 13,924.28-20,892.54-5,157.32

Finding the Fourth Proportional to 13,924.28, 20,892.54 and 5,157.32

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Solution

The fourth proportional to 13,924.28, 20,892.54 and 5,157.32 is: 7,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.28 : 20,892.54 = 5,157.32 : x
  2. Step 2: Convert to fraction form
    13,924.28/20,892.54 = 5,157.32/x
  3. Step 3: Cross multiply
    13,924.28x = 20,892.54 × 5,157.32
  4. Step 4: Simplify right side
    13,924.28x = 107,749,514.39
  5. Step 5: Solve for x
    x = 107,749,514.39/13,924.28
  6. Step 6: Final answer
    x = 7,738.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.