Home / 25,540.92-35,222.45-20,248.38

Finding the Fourth Proportional to 25,540.92, 35,222.45 and 20,248.38

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Solution

The fourth proportional to 25,540.92, 35,222.45 and 20,248.38 is: 27,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540.92 : 35,222.45 = 20,248.38 : x
  2. Step 2: Convert to fraction form
    25,540.92/35,222.45 = 20,248.38/x
  3. Step 3: Cross multiply
    25,540.92x = 35,222.45 × 20,248.38
  4. Step 4: Simplify right side
    25,540.92x = 713,197,450.89
  5. Step 5: Solve for x
    x = 713,197,450.89/25,540.92
  6. Step 6: Final answer
    x = 27,923.72

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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.