Home / 25,771.64-35,564.96-15,022.88

Finding the Fourth Proportional to 25,771.64, 35,564.96 and 15,022.88

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Solution

The fourth proportional to 25,771.64, 35,564.96 and 15,022.88 is: 20,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.64 : 35,564.96 = 15,022.88 : x
  2. Step 2: Convert to fraction form
    25,771.64/35,564.96 = 15,022.88/x
  3. Step 3: Cross multiply
    25,771.64x = 35,564.96 × 15,022.88
  4. Step 4: Simplify right side
    25,771.64x = 534,288,119.39
  5. Step 5: Solve for x
    x = 534,288,119.39/25,771.64
  6. Step 6: Final answer
    x = 20,731.63

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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.