Home / 23,021.12-31,738.56-15,049.64

Finding the Fourth Proportional to 23,021.12, 31,738.56 and 15,049.64

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Solution

The fourth proportional to 23,021.12, 31,738.56 and 15,049.64 is: 20,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.12 : 31,738.56 = 15,049.64 : x
  2. Step 2: Convert to fraction form
    23,021.12/31,738.56 = 15,049.64/x
  3. Step 3: Cross multiply
    23,021.12x = 31,738.56 × 15,049.64
  4. Step 4: Simplify right side
    23,021.12x = 477,653,902.12
  5. Step 5: Solve for x
    x = 477,653,902.12/23,021.12
  6. Step 6: Final answer
    x = 20,748.51

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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.